HomeMy WebLinkAboutBLOOM - PHASE 1 - PDP210014 - SUBMITTAL DOCUMENTS - ROUND 1 - TRAFFIC STUDY
PREPARED FOR:
Hartford Homes
PREPARED BY:
Brian Horan, PE
Daniela Gonzalez
Galloway & Company, Inc.
6162 S. Willow Drive, Suite 320
Greenwood Village, CO 80111
DATE:
August 17, 2021
BLOOM SUBDIVISION (MULBERRY)
FILING - 1
Fort Collins, Colorado
Memorandum
8-17-21
Bloom (Mulberry)
Filing 1 Traffic Memorandum
Introduction
The following memorandum provides support for the initial Project Development Plan (PDP) described
herein as “Filing 1” of the Bloom Subdivision (Mulberry) development. A Master Traffic Impact Study (TIS)
by Galloway dated revised July 28, 2021 is currently in process for the overall Bloom development. The
Master TIS provides operational level analysis to support the initial PDP which is being reviewed
concurrently. Excerpts from the Bloom TIS are provided in Attachment I.
The TIS analyzed the overall project in two distinct phases to provide triggers for infrastructure and the
ultimate improvements necessary to accommodate development. Filing 1 of the Bloom development
consists of Parcels A, B, and D of the Mulberry Master Plan highlighted within Attachment I and the
infrastructure necessary to support it. The site plan for Filing 1 is provided as Figure 1. Infrastructure
proposed to be constructed with Filing 1 consists of the construction of a Greenfield Drive connection to
the existing Frontage Road/Greenfield Drive roundabout intersection (intersection #3 in TIS), the
construction of a Sykes Drive extension to provide access to the Sykes Drive/Timberline Road
intersection (intersection #1 in TIS), the construction of stop controlled International
Boulevard/Greenfields Drive intersection (intersection #4 in TIS), and the construction of A Drive to the
western property line with a temporary turnaround and B Drive. The development area and roadways
proposed with Filing 1 are highlighted in Figure 1.
As shown in Figure 1, the Applicant is proposing to construct all proposed roadway connections to their
ultimate buildout as recommended by the TIS. The operational analysis contained herein provides summary
of the analysis of the build out of Filing 1 and the proposed geometries as shown in Figure 1.
Methodology
The analysis contained herein utilizes the same assumptions found within the TIS in order to determine
the feasibility of the proposed access. Forecasts for the operational analysis utilize existing volumes and
background growth consistent with the TIS. Figures from the TIS are provided as Attachment I and
annotated for ease of reference.
Synchro software version 11 was used to evaluate levels of service at each of the study intersections during
the weekday AM and PM peak hours. Synchro is a macroscopic model used for optimizing traffic signal
timing and performing capacity analyses. The software can model existing traffic signal timings or optimize
splits, offsets, and cycle lengths for individual intersections, an arterial, or a complete network. Synchro
allows the user to evaluate the effects of changing intersection geometrics, traffic demands, traffic control,
and/or traffic signal settings as well as optimize traffic signal timings.
The levels of service reported for the signalized and unsignalized intersections analyzed herein were taken
from the Highway Capacity Manual (HCM) 6th reports generated by Synchro 11. Level of service
descriptions are included in Appendix C.
MULBERRY PHASE ONE | CONCEPT REVIEW - PLAN
06/24/2021
0 200 400 800Greenfields CourtDelozier DriveVine Drive
Sykes Drive
International Boulevard
East Mulberry Street
A Drive
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Detention ROW/Parkway Corridor
Future Phase
Phase One Tracts Only
Phase One
Phase One Major Roadways
Future Regional Trail
City / Community Gateway Monument
Future Community Monument
Detention
Park/Detention/Amenity
Future Phase
Detention
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Note: Plan is conceptual and subject to change.
FUTURE PHASE
FUTURE PHASE
FUTURE DEVELOPMENT PARCELD
FUTURE DEVELOPMENT PARCELE
FUTURE
DEVELOPMENT
PARCEL
C
FUTURE DEVELOPMENT PARCELF
LEGEND
GATEWAY OPEN SPACE/DETENTION
AREA F TO BE DESIGNED IN FUTURE PHASE(S)
FUTURE COMMERCIAL /RETAIL
FUTURE DEVELOPMENT PARCEL B
FUTURE DEVELOPMENT PARCEL A
FUTURE AMENITY AREA
Filing 1 Development and Infrastructure
Bloom (Mulberry)
Filing 1 Traffic Memorandum
Existing Conditions and Future Conditions without Site Development
Overview
The following section summarizes the results from the TIS for the existing and background conditions.
The assumptions and results for existing and background conditions are still valid and have been
recreated herein.
Traffic Volumes
Existing counts collected in March of 2021, which were presented as Figure 3-1. The existing volumes,
consistent with the TIS, are provided annotated in Attachment I and recreated herein as Figure 2.
Background growth for the Filing 1 2023 build out year was applied to the through movements along
Timberline Road to account for regional development outside the boundary of the study scope. These
growth projections are provided in Attachment I and recreated herein as Figure 3.
Figure 2 Existing Traffic Volumes
Figure 3 Build out 2023 Growth Projections
Capacity and Queue Analysis
Existing levels of service (LOS) and queues for the subject intersections operate acceptably. As shown in
Table 1 and Table 2 below and consistent with the TIS, the Sykes Drive/Timberline Road operates at LOS
E and the Frontage Road/Greenfields Court operates at LOS A in existing conditions and background future
2023 conditions and queues are contained within their effective storage.
Table 3-1
Mulberry
Existing Intersection Level of Service Summary (1) (2)
Operating Street Approach/ AM PM
Intersection Condition Name Movement Peak Hour Peak Hour
1 Sykes Dr/Timberline Rd STOP EBL C [23.7] D [26.6]
EBTR B [13.6] B [10.5]
WBL E [35.3] E [35.1]
WBTR A [9.8] B [11.2]
NBL A [8.9] A [8.2]
NBT A [0.0] A [0.0]
NBR A [0.0] A [0.0]
SBL A [8.0] A [8.7]
SBTR A [0.0] A [0.0]
2 Vine Dr/Greenfields Dr STOP EBL A [7.9] A [7.8]
EBT A [0.0] A [0.0]
Vine Dr WBTR A [0.0] A [0.0]
SBL B [12.3] B [13.1]
SBR A [10.0] A [9.6]
3 Frontage Rd/Greenfields Ct STOP Frontage Rd EBTR A [6.8] A [6.9]
Frontage Rd WBLT A [7.6] A [7.8]
Greenfields Ct NBLR A [6.7] A [6.9]
Notes : (1) Numbers in brackets [] represent delay at unsignalized intersections in seconds per vehicle.
(2) Numbers in parenthesis () represent delay at signalized intersections in seconds per vehicle.
Existing 2021
Sykes Dr
Sykes Dr
Vine Dr
Greenfields Dr
Timberline Rd
Timberline Rd
20
Table 3-2
Mulberry
Existing Intersection Queueing Summary (1)
Operating Street Approach/ Available AM PM
Intersection Condition Name Movement Storage Peak Hour Peak Hour
1 Sykes Dr/Timberline Rd STOP EBL 130 2.5 2.5
EBTR - 7.5 5
WBL 200 45 35
WBTR - 2.5 2.5
NBL - 0 5
NBT - 0 0
NBR 375 0 0
SBL 145 0 2.5
SBTR - 0 0
2 Vine Dr/Greenfields Dr STOP EBL 300 0 2.5
EBT - 0 0
Vine Dr WBT - 0 0
SBL - 2.5 2.5
SBR - 2.5 2.5
3 Frontage Rd/Greenfields Ct STOP Frontage Rd EBTR - 2.5 5
Frontage Rd WBLT - 7.5 10
Greenfields Ct NBLR - 2.5 2.5
Notes : (1) Queue length is based on the 95th percentile queue as reported by Synchro, Version 10.
Vine Dr
Greenfields Dr
Timberline Rd
Sykes Dr
Sykes Dr
Timberline Rd
Existing 2021
21
Bloom (Mulberry)
Filing 1 Traffic Memorandum
Site Analysis
Overview
As mentioned previously, the first phase of the TIS analyzed what is now considered Filing 1 of the
overall Mulberry development. Filing 1 is proposed to consist of the development areas previously
highlighted of the project and access via the new connections of Greenfields Court, Sykes Drive,
International Boulevard, A Drive, and B Drive also highlighted.
Proposed Site Access
Filing 1 is proposed to be accessed at the Frontage Road/Greenfields Drive intersection via a roundabout
controlled intersection, an extension of Sykes Drive to the Sykes Drive/Timberline Road stop-controlled
intersection, and a new International Drive/Greenfields Drive stop-controlled intersection. The Applicant is
proposing to build out the connections to their full geometry as required by the LCUASS consistent with
volumes determined by the TIS.
Site Trips
Trip generation estimates for the weekday AM and PM peak hours, as well as the weekday average daily
traffic (ADT), were derived from the standard Institute of Transportation Engineers (ITE) Trip Generation
Manual rates/equations, as published in the 10th edition. The vehicle trips that would be generated by the
proposed development plan are consistent with those analyzed in the Master TIS.
The distribution of the forecasted trips generated by the completion of Filing 1 is consistent with distributions
from the Bloom Subdivision (Mulberry) TIS:
To/from the north on Timberline Road: 26%
To/from the east on Vine Drive: 10%
To/from the east on Mulberry Street: 1%
To/from the west on Mulberry Street: 18%
Consistent with the distributions above the site trips were assigned to the local network. The trip
assignments are depicted on Figure 4 consistent with the Master TIS.
Analysis of Future Conditions with Filing 1 Site Development
Total Future 2023 Operational Analysis with Proposed Development
Future levels of service with the proposed development plan were estimated based on the future traffic
volumes shown on Figure 5, the lane use and traffic control shown on Figure 1, and the HCM 6th
methodologies for signalized and unsignalized intersections. The results of these analyses are provided in
Attachment II and presented in Table 4.
As shown in Table 4, levels of service under future site development conditions for the Frontage
Road/Greenfields Drive and International Drive/Greenfields Drive intersections are projected to operate at
LOS “A” in the AM and PM peak hours in 2023.
STOP
YIELDSTOPSTOPYIELDYIELDYIELDYIELDSTOPSTOPSTOP
Bloom (Mulberry)
Filing 1 Traffic Memorandum
The International Drive/Greenfields Drive intersection is forecasted to operate acceptably as a two-way
STOP controlled intersection as shown herein and within the Master TIS. As noted in the Master TIS this
intersection is shown on the Master Street Plan as a roundabout. It was likely assumed that such control
would be necessary at the intersection of two arterials. As shown in the Master TIS and herein vehicle
trips to and from the eastern approach of this intersection are forecasted to be minor. The volumes shown
herein and the Master TIS would not necessitate the need for improvements.
As an additional check regarding the operations of the future International Drive/Greenfields Drive
intersection a Peak Hour signal warrant was performed for 2023 conditions. The Manual on Uniform Traffic
Control Devices 2009 Edition (MUTCD) provides a nine (9) distinct warrants for determining the
appropriateness of a traffic signal as an operational improvement for an intersection. Due to the availability
of the data from this traffic study, Warrant 3 – Peak Hour warrant, although not the proper warrant for this
intersection, was considered to confirm the use of a traffic signal as an improvement for the above
intersection. As shown below in Figure 6, significant growth would need to occur before a signal would be
warranted.
Total future queues were forecasted using Synchro software. The results of the queuing analysis are
summarized in Table 4. As shown in Table 4, vehicle queues are forecasted to remain within their
proposed effective storage.
As shown in Table 4, levels of service under future site development conditions for the left turn
movements at the Sykes Drive/Timberline Road intersection are projected to operate at LOS “F” in the
AM and PM peak hours in 2023, however queues are contained within their effective storage, and
operations do not warrant a signal for 2023 as shown in the Master TIS.
Conclusions and Recommendations
Conclusions
Filing 1 of the Bloom Subdivision is consistent with the assumptions and analysis found within the
Bloom Subdivision (Mulberry) Master TIS.
Under 2023 total future traffic conditions with development of Filing 1 of the site, the study
intersections would operate at overall acceptable levels of service consistent with the findings of
the Bloom Subdivision (Mulberry) Master TIS.
Recommendations
The Applicant should provide discussed roadway connections constructed to their ultimate
geometry to provide access for Filing 1 development consistent with the recommendations of the
Bloom Subdivision (Mulberry) TIS.
Warrants Summary Report
4: Greenfield Dr & International Dr
Intersection Information
Street Name
Direction
Number of Lanes
Major Street Minor Street
Approach Speed
Greenfield Dr
NB/SB
2
30
International Dr
EB/WB
2
30
Met? NotesWarrant
Warrant 1, Eight-Hour Vehicular Volume
No
Condition A or B Met?No 0 Hours met (8 required)
Condition A and B Met?No 0 Hours met (8 required)
Warrant 2, Four-Hour Vehicular Volume
No 0 Hours met (4 required)
Warrant 3, Peak Hour
No
Condition A Met?No 0 Hours met (1 required)
Condition B Met?No 0 Hours met (1 required)
Warrant 4, Pedestrian Volume
No
Peds > 100 Condition Met?No 0 Hours met (4 required)
Peds > 190 Condition Met?No 0 Hours met (1 required)
Warrant 5, School Crossing
No
1 8/17/2021Federal 2003
Figure 6Bloom Subdivision (Mulberry) Master TIS
2023 AM
Warrants Summary Report
4: Greenfield Dr & International Dr
Warrant 6, Coordinated Signal System
No
Warrant 7, Crash Experience
No
Traffic Volume Condition?No 0 Hours met (8 required)
Ped Condition?No 0 Hours met (8 required)
Warrant 8, Roadway Network
No
2 8/17/2021Federal 2003
Figure 6 (cont.)
2023 AM
Warrants Summary Report
4: Greenfield Dr & International Dr
Intersection Information
Street Name
Direction
Number of Lanes
Major Street Minor Street
Approach Speed
Greenfield Dr
NB/SB
2
30
International Dr
EB/WB
2
30
Met? NotesWarrant
Warrant 1, Eight-Hour Vehicular Volume
No
Condition A or B Met?No 0 Hours met (8 required)
Condition A and B Met?No 0 Hours met (8 required)
Warrant 2, Four-Hour Vehicular Volume
No 0 Hours met (4 required)
Warrant 3, Peak Hour
No
Condition A Met?No 0 Hours met (1 required)
Condition B Met?No 0 Hours met (1 required)
Warrant 4, Pedestrian Volume
No
Peds > 100 Condition Met?No 0 Hours met (4 required)
Peds > 190 Condition Met?No 0 Hours met (1 required)
Warrant 5, School Crossing
No
1 8/17/2021Federal 2003
Figure 6 (cont.)
2023 PM
Warrants Summary Report
4: Greenfield Dr & International Dr
Warrant 6, Coordinated Signal System
No
Warrant 7, Crash Experience
No
Traffic Volume Condition?No 0 Hours met (8 required)
Ped Condition?No 0 Hours met (8 required)
Warrant 8, Roadway Network
No
2 8/17/2021Federal 2003
Figure 6 (cont.)
2023 PM
Table 4
Mulberry
Total Future Intersection Level of Service Summary (1) (2)
Existing 2021 Background 2023 Total Future 2023
Operating Street Approach/AM PM AM PM AM PM
Intersection Condition Name Movement Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour
1 Sykes Dr/Timberline Rd STOP Sykes Dr EBL C [23.7]D [26.6]C [25.0]D [27.8]D [34.9]F [51.3]
EBTR B [13.6]B [10.5]B [13.9]B [10.6]B [13.9]B [10.6]
Sykes Dr WBL E [35.3]E [35.1]E [38.6]E [37.5]F [84.5]F [129.1]
WBTR A [9.8]B [11.2]A [9.9]B [11.3]B [10.7]B [12.2]
Timberline Rd
NBL A [8.9]A [8.2]A [9.0]A [8.3]A [9.0]A [8.3]
NBT A [0.0]A [0.0]A [0.0]A [0.0]A [0.0]A [0.0]
NBR A [0.0]A [0.0]A [0.0]A [0.0]A [0.0]A [0.0]
Timberline Rd SBL A [8.0]A [8.7]A [8.0]A [8.7]A [8.1]A [9.5]
SBTR A [0.0]A [0.0]A [0.0]A [0.0]A [0.0]A [0.0]
Signal added
Signal Sykes Dr EBL n/a n/a n/a n/a n/a n/a
EBTR n/a n/a n/a n/a n/a n/a
Sykes Dr WBL n/a n/a n/a n/a n/a n/a
WBTR n/a n/a n/a n/a n/a n/a
Timberline Rd
NBL n/a n/a n/a n/a n/a n/a
NBT n/a n/a n/a n/a n/a n/a
NBR n/a n/a n/a n/a n/a n/a
Timberline Rd SBL n/a n/a n/a n/a n/a n/a
SBTR n/a n/a n/a n/a n/a n/a
Overall n/a n/a n/a n/a n/a n/a
2 Vine Dr/Greenfields Dr STOP Vine Dr EBL A [7.9]A [7.8]A [7.9]A [7.8]n/a n/a
EBT A [0.0]A [0.0]A [0.0]A [0.0]n/a n/a
Vine Dr WBTR A [0.0]A [0.0]A [0.0]A [0.0]n/a n/a
Greenfields Dr SBL B [12.3]B [13.1]B [12.5]B [13.4]n/a n/a
SBR A [10.0]A [9.6]A [10.0]A [9.6]n/a n/a
Greenfields Ct Access added
STOP Vine Dr EBL n/a n/a n/a n/a A [7.9]A [7.9]
EBTR n/a n/a n/a n/a A [0.0]A [0.0]
Vine Dr WBL n/a n/a n/a n/a A [0.0]A [0.0]
WBTR n/a n/a n/a n/a A [0.0]A [0.0]
Greenfields Ct NBL n/a n/a n/a n/a A [0.0]A [0.0]
NBTR n/a n/a n/a n/a A [0.0]A [0.0]
Greenfields Dr SBL n/a n/a n/a n/a B [13.0]B [14.2]
SBTR n/a n/a n/a n/a B [10.1]A [9.8]
3 Frontage Rd/Greenfields Ct STOP Frontage Rd EBTR A [6.8]A [6.9]A [6.8]A [6.9]n/a n/a
Frontage Rd WBLT A [7.6]A [7.8]A [7.6]A [7.8]n/a n/a
Greenfields Ct NBLR A [6.7]A [6.9]A [6.7]A [6.9]n/a n/a
Greenfields Ct Access added
Roundabout constructed CIRCLE Frontage Rd EBLTR n/a n/a n/a n/a A [3.6]A [3.7]
Frontage Rd WBLTR n/a n/a n/a n/a A [3.3]A [4.1]
Greenfields Ct NBLTR n/a n/a n/a n/a A [3.0]A [3.9]
NBR n/a n/a A [2.8]A [2.9]
Greenfields Ct SBLT n/a n/a A [4.0]A [3.6]
SBR n/a n/a n/a n/a A [2.7]A [2.8]
Overall n/a n/a n/a n/a A [3.6]A [3.8]
4 International Dr/Private Dr/Greenfields Ct STOP International Dr EBL n/a n/a n/a n/a A [0.0]A [0.0]
EBTR n/a n/a n/a n/a A [9.1]A [8.8]
Private Dr WBL n/a n/a n/a n/a A [0.0]A [0.0]
WBTR n/a n/a n/a n/a A [0.0]A [0.0]
Greenfields Ct NBL n/a n/a n/a n/a A [7.4]A [7.5]
NBTR n/a n/a n/a n/a A [0.0]A [0.0]
Greenfields Ct SBL n/a n/a n/a n/a A [0.0]A [0.0]
SBTR n/a n/a n/a n/a A [0.0]A [0.0]
Notes : (1) Numbers in brackets [] represent delay at unsignalized intersections in seconds per vehicle.
(2) Numbers in parenthesis () represent delay at signalized intersections in seconds per vehicle.
Table 4 (cont.)
Mulberry
Total Future Intersection Queueing Summary (1)
Existing 2021 Background 2023 Total Future 2023
Operating Street Approach/Available AM PM AM PM AM PM
Intersection Condition Name Movement Storage Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour
1 Sykes Dr/Timberline Rd STOP Sykes Dr EBL 130 2.5 2.5 2.5 2.5 5 5
EBTR -7.5 5 10 5 10 5
Sykes Dr WBL 200 45 35 50 37.5 132.5 127.5
WBTR -2.5 2.5 2.5 2.5 15 12.5
Timberline Rd
NBL -0 5 0 5 0 5
NBT -0 0 0 0 0 0
NBR 375 0 0 0 0 0 0
Timberline Rd SBL 145 0 2.5 0 2.5 2.5 12.5
SBTR -0 0 0 0 0 0
Signal added
Signal Sykes Dr EBL 130 n/a n/a n/a n/a n/a n/a
EBT -n/a n/a n/a n/a n/a n/a
Sykes Dr WBL 200 n/a n/a n/a n/a n/a n/a
WBT -n/a n/a n/a n/a n/a n/a
Timberline Rd
NBL -n/a n/a n/a n/a n/a n/a
NBT -n/a n/a n/a n/a n/a n/a
NBR 375 n/a n/a n/a n/a n/a n/a
Timberline Rd SBL 145 n/a n/a n/a n/a n/a n/a
SBTR -n/a n/a n/a n/a n/a n/a
2 Vine Dr/Greenfields Dr STOP Vine Dr EBL 300 0 2.5 0 2.5 n/a n/a
EBT -0 0 0 0 n/a n/a
Vine Dr WBT -0 0 0 0 n/a n/a
Greenfields Dr SBL -2.5 2.5 2.5 2.5 n/a n/a
SBR -2.5 2.5 2.5 2.5 n/a n/a
Greenfields Ct Access added
STOP Vine Dr EBL 300 n/a n/a n/a n/a 0 2.5
EBTR -n/a n/a n/a n/a 0 0
Vine Dr WBL 250 n/a n/a n/a n/a 0 0
WBTR -n/a n/a n/a n/a 0 0
Greenfields Ct NBL 100 n/a n/a n/a n/a 0 0
NBTR -n/a n/a n/a n/a 0 0
Greenfields Dr SBL -n/a n/a n/a n/a 2.5 2.5
SBTR -n/a n/a n/a n/a 2.5 2.5
3 Frontage Rd/Greenfields Ct STOP Frontage Rd EBTR -2.5 5 2.5 5 n/a n/a
Frontage Rd WBLT -7.5 10 7.5 10 n/a n/a
Greenfields Ct NBLR -2.5 2.5 2.5 2.5 n/a n/a
Greenfields Ct Access added
Roundabout constructed CIRCLE Frontage Rd EBLTR -n/a n/a n/a n/a 0 0
Frontage Rd WBLTR -n/a n/a n/a n/a 0 0
Greenfields Ct NBLTR -n/a n/a n/a n/a 0 25
Greenfields Ct SBLTR -n/a n/a n/a n/a 25 0
4 International Dr/Private Dr/Greenfields Ct STOP International Dr EBL 100 n/a n/a n/a n/a 0 0
EBTR -n/a n/a n/a n/a 12.5 7.5
Private Dr WBL 100 n/a n/a n/a n/a 0 0
WBTR -n/a n/a n/a n/a 0 0
Greenfields Ct NBL 100 n/a n/a n/a n/a 2.5 7.5
NBTR -n/a n/a n/a n/a 0 0
Greenfields Ct SBL 100 n/a n/a n/a n/a 0 0
SBTR -n/a n/a n/a n/a 0 0
Notes : (1) Queue length is based on the 95th percentile queue as reported by Synchro, Version 10.
Bloom (Mulberry)
Filing 1 Traffic Memorandum
Attachment I
Excerpts from Bloom Subdivision (Mulberry)
Traffic Impact Study
Mulberry
Fort Collins, CO
Galloway & Company, Inc.
Executive Summary
Site Location and Study Area
The property that comprises the application area for the proposed development is approximately 235 acres
in size and is largely vacant. It is located east of Timberline Road, west of NW Frontage Road, south of
Vine Drive and north of Frontage Road.
The study area, as reviewed and agreed to by the City of Fort Collins (Staff), is generally bounded by the
site boundaries to the east and west, Vine Drive to the north, as well as Frontage Road to the south. The
study area for the project includes those intersections identified by Staff that could be affected by the
proposed development:
Sykes Drive/Timberline Road
Vine Drive/Greenfields Court/Greenfields Drive
Frontage Road/Greenfields Court
International Drive/Greenfields Court
Description of Proposed Development
The Applicant, Hartford Homes, seeks to develop the property with a mix of commercial and residential
uses. A grid of streets is being proposed to tie into the existing network and facilitate access and circulation
throughout the site and to the existing network. In furtherance of the connectivity of the project the following
standard is included in the PUD language:
To the extent feasible, all development plans shall provide bicycle and pedestrian and/or vehicular
connection at all sub-arterial streets stubbed to the boundary of the development plan by previously
approved development plans or existing development. All development plans shall provide for future bicycle
and pedestrian and/or vehicular connections to adjacent developable parcels by providing a local street or
landscape tract connection spaced at intervals not to exceed six hundred sixty (660) feet along each
development plan boundary that abuts potentially developable or redevelop able land, to the extent
feasible. When adjacent to open space, natural areas, railroad tracks, or other similar natural or manmade
impediments that inhibit this standard from being met this standard is not required to be met.
Conclusions and Recommendations
Conclusions
Based on the results of this traffic impact study, the following may be concluded:
Under existing traffic conditions, the stop-controlled intersections within the study area currently
operate at overall acceptable levels of service (LOS) “E” or better during the weekday AM and PM
peak hours.
Under background future 2023 and 2030 traffic conditions, without the development of the subject
site, delays would increase slightly at study intersections due to regional traffic growth. The stop-
controlled intersections would continue to operate at LOS “D” or better with Sykes Drive operating
at capacity LOS “F” in the 2030 AM peak hours.
5
Mulberry
Fort Collins, CO
Galloway & Company, Inc.
The proposed site development would generate, upon completion and full occupancy, 1,569 new
weekday AM and 1,857 new weekday PM peak hour vehicle trips as well as 21,821 new weekday
daily trips.
Under 2023 total future traffic conditions with development of Phase 1 of the site, all study
intersections, including proposed site connections would operate at overall acceptable levels of
service consistent with background conditions. The exception to this is the westbound left
movement at Sykes Drive/Timberline Road. A signal would not be warranted at this level of
forecasted volume. Phase 1 of the proposed development can be accommodated solely through
the connection at Sykes Drive through the Mosaic development and the extension of Greenfields
Court to the south via a newly constructed roundabout.
Under 2030 total future traffic conditions the full buildout of the proposed development will be
accommodated by the proposed connections to the surrounding network. The exception to this is
the westbound left movement at Sykes Drive/Timberline Road. A signal would be warranted at this
level of forecasted volume.
In 2040 long range conditions would be accommodated by the full buildout of the proposed network
with all study intersections operating at acceptable levels of service.
Recommendations
During Phase 1 of development the Applicant should provide the following improvements to
accommodate site development:
o Construct Greenfields Court from Sykes Drive to the Frontage Road
o Improve the Greenfields Court/Frontage Road intersection to a roundabout with flared dual
lane approaches on the north and southbound approaches
o Provide connections to the west to connect to the Sykes Drive/Timberline Road intersection
New roadways within the site should be constructed per the City of Fort Collins design guidelines
contained within the LCUASS and analyzed herein.
It is recommended that as nearby pipeline development is constructed, and growth continues to
occur, signal warrant studies be conducted at Sykes Drive/Timberline Road to determine timing
and cost share for future signalization. At such a time where a signal is warranted at Sykes
Drive/Timberline Road or a filing is forecasted to trigger a warrant the Applicant should:
o Contribute to the signalization of Sykes Drive/Timberline Road intersection
In order to accommodate development traffic north of the Great Western Railroad the Applicant
should provide the following improvements to accommodate site development:
o Construct Greenfields Court from Sykes Drive north to connect to Vine Drive
o Provide pedestrian and bicycle connection to facilitate access across the Great Western
Railroad
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II. Background Information
Study Area
During the scoping meeting the study area and study intersections were agreed upon. The agreed upon
scope of work form is provided as Appendix B. As discussed, and agreed upon, the traffic study focuses
primarily on the following intersections:
Study Intersections
• Sykes Drive/Timberline Road
• Vine Drive/Greenfields Court/Greenfields Drive
• Mulberry Frontage Road/Greenfields Court
• International Drive/Greenfields Court
Study Assumptions
For purposes of this analysis only, the proposed uses are assumed to be built and occupied in two distinct
phases. It was assumed that Phase 1 uses would be built and operational in study year 2023 and the
remainder of the site would be developed by 2030. As requested by Staff, a long-term analysis of 2040 was
also provided. One pipeline development was identified that would utilize study intersections. The pipeline
development was assumed complete after the development of Phase 1 of the subject site.
Study Methodology
Synchro software version 11 was used to evaluate levels of service at each of the study intersections during
the weekday AM and PM peak hours. Synchro is a macroscopic model used for optimizing traffic signal
timing and performing capacity analyses. The software can model existing traffic signal timings or optim ize
splits, offsets, and cycle lengths for individual intersections, an arterial, or a complete network. Synchro
allows the user to evaluate the effects of changing intersection geometrics, traffic demands, traffic control,
and/or traffic signal settings as well as optimize traffic signal timings.
The levels of service reported for the signalized and unsignalized intersections analyzed herein were taken
from the Highway Capacity Manual (HCM) 6th reports generated by Synchro 11. Level of service
descriptions are included in Appendix C.
In order to maintain a conservative analysis a default percent heavy vehicle (%HV) factor of 2% was used
for all movements in the study area.
The LCUASS provides acceptable level of service (LOS) standards for the City of Fort Collins. The following
standards, provided by LCUASS in Chapter 4 – Transportation Impact Study Table 4-3, were used to
evaluate the results of the analysis contained herein:
Overall Any Approach Leg Any Movement
Signalized D E E
Unsignalized
• Arterial/Arterial
• Collector/Collector
E F
Unsignalized D F
Roundabout E E E
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Existing Roadway Network
Regional access to the subject site is provided by Interstate 25 and CO 14/Mulberry Street, and local access
is provided via Vine Drive and Sykes Drive via Timberline Road. Figure 2-1 depicts existing lane use and
traffic controls in the vicinity of the subject site. The following provides a description of each of the roadways
within the study network.
Vine Drive
Vine Drive is an undivided two-lane roadway. The posted speed limit is 45 mph in the vicinity of the subject
site. The roadway is classified by Larimer County as an arterial providing east-west connection through the
region and access to several residential developments. Bike lanes exist in both directions along the site
frontage. The intersection with Timberline Road operates under STOP control and the intersection with
Greenfields Drive also operates under STOP control. The Master Street Plan designates Vine Drive
proximate to the site as a 2-lane arterial.
Greenfields Drive
North of the site Greenfields Drive is an undivided two-lane roadway with bike lanes and a center turn lane.
The posted speed limit is 25 mph in the vicinity of the subject site. The roadway is classified by Larimer
County as a Collector and provides north-south connection through the region and access to several
residential developments. The intersection with Vine Drive operates under unsignalized control. The Master
Street Plan designates future Greenfields Court through the site as a 2 -lane arterial.
Frontage Road
Frontage Road is an undivided two-lane roadway. The posted speed limit is 25 mph in the vicinity of the
subject site. The roadway is classified by Larimer County as a Collector providing east-west connection
through the region and access to several commercial developments. The intersection with Greenfields
Court operates under unsignalized control. The Master Street Plan designates Frontage Road proximate
to the site as a 2-lane collector.
Timberline Road
Timberline Road is an undivided two-lane roadway expanding to a two-lane roadway with a center turn lane
provides access to residential and commercial development through the City. The roadway is classified by
Larimer County as an arterial providing north-south connection through the region and access to several
residential and commercial developments. The posted speed limit is 30-45 mph in the vicinity of the subject
site. The intersection with Vine Drive operates under unsignalized control. The Master Street Plan
designates Timberline Road proximate to the site as a 4-lane arterial.
Assumed Improvements
No funded/programmed roadway improvements were identified in the study area during build out scenarios
that would affect study intersections. It was understood that Vine Drive and Timberline Road intersection
will be signalized in the future and not included in the scope of this study.
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III. Analysis of Existing Conditions
Traffic Volumes
Weekday AM and PM peak hour traffic volumes counts were con ducted on Tuesday March 9, 2021 from
7:00 AM to 9:00 AM and 4:00 PM to 6:00 PM at the study intersections by IDAX Data Solutions. Due to the
current Covid-19 global pandemic consideration has been given to the accuracy of the collected counts. It
has been observed by CDOT, that traffic counts are generally consistent or greater than pre -Covid
conditions. With that observation in mind, and consistent with nearby traffic studies the collected counts
were considered useable for this analysis
For purposes of this study, the individual peak hours were selected based on a review of the intersection
volumes. The existing volumes are summarized on Figure 3-1. Copies of traffic counts are included in
Appendix D. Existing peak hour factors (PHF) were also computed by approach from the traffic counts and
applied to the analysis with a minimum of 0.85 and a maximum of 0.92.
Operational Analysis
Capacity/level of service (LOS) analyses were conducted at the study intersections based on the existing
lane use and traffic controls shown on Figure 2-1, existing baseline vehicular traffic volumes shown on
Figure 3-1. The capacity analysis results are presented in Appendix E and summarized in Table 3-1 and
on Figure 3-2.
As shown in Table 3-1, the study intersections currently operate at overall acceptable levels of service
(LOS) “E” or better during the weekday peak hours.
Existing Intersection Queues
An analysis of intersection 95th-percentile queues was performed at key locations. The results of the
queuing analysis, as reported by Synchro, are summarized in Table 3-2.
As shown in the table, the existing queues are contained within the effective storage within the study area.
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Table 3-1
Mulberry
Existing Intersection Level of Service Summary (1) (2)
Operating Street Approach/ AM PM
Intersection Condition Name Movement Peak Hour Peak Hour
1 Sykes Dr/Timberline Rd STOP EBL C [23.7] D [26.6]
EBTR B [13.6] B [10.5]
WBL E [35.3] E [35.1]
WBTR A [9.8] B [11.2]
NBL A [8.9] A [8.2]
NBT A [0.0] A [0.0]
NBR A [0.0] A [0.0]
SBL A [8.0] A [8.7]
SBTR A [0.0] A [0.0]
2 Vine Dr/Greenfields Dr STOP EBL A [7.9] A [7.8]
EBT A [0.0] A [0.0]
Vine Dr WBTR A [0.0] A [0.0]
SBL B [12.3] B [13.1]
SBR A [10.0] A [9.6]
3 Frontage Rd/Greenfields Ct STOP Frontage Rd EBTR A [6.8] A [6.9]
Frontage Rd WBLT A [7.6] A [7.8]
Greenfields Ct NBLR A [6.7] A [6.9]
Notes : (1) Numbers in brackets [] represent delay at unsignalized intersections in seconds per vehicle.
(2) Numbers in parenthesis () represent delay at signalized intersections in seconds per vehicle.
Existing 2021
Sykes Dr
Sykes Dr
Vine Dr
Greenfields Dr
Timberline Rd
Timberline Rd
20
Table 3-2
Mulberry
Existing Intersection Queueing Summary (1)
Operating Street Approach/ Available AM PM
Intersection Condition Name Movement Storage Peak Hour Peak Hour
1 Sykes Dr/Timberline Rd STOP EBL 130 2.5 2.5
EBTR - 7.5 5
WBL 200 45 35
WBTR - 2.5 2.5
NBL - 0 5
NBT - 0 0
NBR 375 0 0
SBL 145 0 2.5
SBTR - 0 0
2 Vine Dr/Greenfields Dr STOP EBL 300 0 2.5
EBT - 0 0
Vine Dr WBT - 0 0
SBL - 2.5 2.5
SBR - 2.5 2.5
3 Frontage Rd/Greenfields Ct STOP Frontage Rd EBTR - 2.5 5
Frontage Rd WBLT - 7.5 10
Greenfields Ct NBLR - 2.5 2.5
Notes : (1) Queue length is based on the 95th percentile queue as reported by Synchro, Version 10.
Vine Dr
Greenfields Dr
Timberline Rd
Sykes Dr
Sykes Dr
Timberline Rd
Existing 2021
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IV. Analysis of Future Conditions without Site Development
Methodology
The future traffic forecasts, without the proposed new use, were developed for 2023 and 2030 conditions
based on a composite of existing baseline traffic volumes and regional traffic. A 2% growth factor per year
was applied to existing traffic along Vine Drive and Timberline Road.
Regional Growth
Increases in traffic associated with regional growth were estimated at two (2.0) percent per year, as agreed
upon in the scope of work, compounded for through movements along Vine Drive and Timberline Road up
to 2023, as well as to 2030. This growth accounts for increases in traffic resulting from influences outside
of the immediate study area. The resulting increases in traffic within the study area are reflected on Figure
4-1 for the 2023 scenario, and Figure 4-2 for 2030 scenario.
Background Traffic Forecasts
The existing traffic volumes depicted on Figure 3-1 and the regional growth shown on Figure 4-1 (2023)
and Figure 4-2 (2030) were added together to yield the background future traffic forecasts. The background
future (without site development) forecasts are shown on Figure 4-3 for 2023 conditions and Figure 4-4 for
2030 conditions.
Background Future Levels of Service
Capacity analyses of 2023 and 2030 future traffic conditions without the proposed development are
provided in Appendix F and summarized in Table 4-1. The forecasted levels of service are also depicted
graphically on Figure 4-5 for 2023 conditions and Figure 4-6 for 2030 conditions.
As shown on Table 4-1, the intersections within the study area would continue to operate at overall
acceptable levels of service (“E” or better) during the AM and PM peak hours, consistent with existing
conditions. Minor increases in delay are forecasted due to growth along the arterials within the study area.
Certain individual movements are forecasted to operate at LOS “F” during the 2030 AM peak:
• Sykes Drive/Timberline Road – Westbound Left
Background Future Queueing
An analysis of intersection queues was performed at key locations under background future traffic
conditions. The results of the queuing analysis are summarized in Table 4-2.
As shown in the table, queues within the study network will generally increase due to regional traffic growth.
The increase in 95th-percentile queues within the study area are forecasted to be minor.
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Table 4-1
Mulberry
Background Future Intersection Level of Service Summary (1) (2)
Operating Street Approach/ AM PM AM PM AM PM
Intersection Condition Name Movement Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour
1 Sykes Dr/Timberline Rd STOP EBL C [23.7] D [26.6] C [25.0] D [27.8] D [30.3] D [33.2]
EBTR B [13.6] B [10.5] B [13.9] B [10.6] C [15.4] B [11.1]
WBL E [35.3] E [35.1] E [38.6] E [37.5] F [56.4] E [49.7]
WBTR A [9.8] B [11.2] A [9.9] B [11.3] B [10.1] B [12.0]
NBL A [8.9] A [8.2] A [9.0] A [8.3] A [9.4] A [8.4]
NBT A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] A [0.0]
NBR A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] A [0.0]
SBL A [8.0] A [8.7] A [8.0] A [8.7] A [8.1] A [9.0]
SBTR A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] A [0.0]
2 Vine Dr/Greenfields Dr STOP EBL A [7.9] A [7.8] A [7.9] A [7.8] A [8.0] A [7.9]
EBT A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] A [0.0]
Vine Dr WBTR A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] A [0.0]
SBL B [12.3] B [13.1] B [12.5] B [13.4] B [13.3] B [14.3]
SBR A [10.0] A [9.6] A [10.0] A [9.6] B [10.3] A [9.8]
3 Frontage Rd/Greenfields Ct STOP Frontage Rd EBTR A [6.8] A [6.9] A [6.8] A [6.9] A [6.8] A [6.9]
Frontage Rd WBLT A [7.6] A [7.8] A [7.6] A [7.8] A [7.6] A [7.8]
Greenfields Ct NBLR A [6.7] A [6.9] A [6.7] A [6.9] A [6.7] A [6.9]
Notes : (1) Numbers in brackets [] represent delay at unsignalized intersections in seconds per vehicle.
(2) Numbers in parenthesis () represent delay at signalized intersections in seconds per vehicle.
Vine Dr
Greenfields Dr
Timberline Rd
Timberline Rd
Existing 2021 Background 2023 Background 2030
Sykes Dr
Sykes Dr
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Table 4-2
Mulberry
Background Future Intersection Queueing Summary (1)
Operating Street Approach/ Available AM PM AM PM AM PM
Intersection Condition Name Movement Storage Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour
1 Sykes Dr/Timberline Rd STOP EBL 130 2.5 2.5 2.5 2.5 5 2.5
EBTR - 7.5 5 10 5 10 5
WBL 200 45 35 50 37.5 67.5 47.5
WBTR - 2.5 2.5 2.5 2.5 2.5 2.5
NBL - 0 5 0 5 0 5
NBT - 0 0 0 0 0 0
NBR 375 0 0 0 0 0 0
SBL 145 0 2.5 0 2.5 0 2.5
SBTR - 0 0 0 0 0 0
2 Vine Dr/Greenfields Dr STOP EBL 300 0 2.5 0 2.5 0 2.5
EBT - 0 0 0 0 0 0
Vine Dr WBT - 0 0 0 0 0 0
SBL - 2.5 2.5 2.5 2.5 2.5 2.5
SBR - 2.5 2.5 2.5 2.5 2.5 2.5
3 Frontage Rd/Greenfields Ct STOP Frontage Rd EBTR - 2.5 5 2.5 5 2.5 5
Frontage Rd WBLT - 7.5 10 7.5 10 7.5 10
Greenfields Ct NBLR - 2.5 2.5 2.5 2.5 2.5 2.5
Notes : (1) Queue length is based on the 95th percentile queue as reported by Synchro, Version 10.
Vine Dr
Greenfields Dr
Timberline Rd
Sykes Dr
Sykes Dr
Timberline Rd
Existing 2021 Background 2023 Background 2030
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V. Site Analysis
Overview
The Applicant proposes to develop the 235-acre site with residential and commercial uses. The
development will be built in phases to be determined. For purposes of this study only, the site will be
developed in two phases. The analysis contained herein concludes that Phase 1 can be accommodated
solely with the proposed extension of Greenfields Court between Sykes Drive and Frontage Road as well
as connections to Sykes Drive through the Mosaic development. It is proposed that the Greenfields
Court/Frontage Road intersection will be reconstructed as a roundabout. The remainder of the site will
benefit from further connecting Greenfields Court to the north and the signalization of Sykes
Drive/Timberline Road. These phases were based on the portion of the overall site that would likely be filed
initially for Phase 1 and the necessary improvements to accommodate that initial development. Phase 2
represents the ultimate buildout of the site to identify any additional improvements that may be necessary.
The future lane use and traffic control is shown on Figure 5-1 for 2023 Phase 1 and Figure 5-2 for 2030
Phase 2.
For analysis purposes it was assumed that Phase 1 would be complete in 2023 and Phase 2 would be
complete in 2030. The following land use development programs were analyzed:
Phase 1 - 2023
371
470
DU
DU
Single Family Detached
Multifamily Housing (Mid-Rise)
Phase 2 – 2030
336
1260
49,230
184,860
DU
DU
SF
SF
Single Family Detached
Multifamily Housing (Mid-Rise)
General Office Building
Retail
Grid of Streets
As mentioned previously the proposed ultimate layout of this project furthers the City’s Master Street Plan
shown in Figure 1-4. As shown in the Master Street Plan a north-south and east-west arterial are planned
which are provided as the extension of Greenfields Court and International Drive respectively. Additionally,
two east-west collectors are planned as the extension of Sykes Drive and A Drive as it is shown in the
current plans. A north-south collector connection is also planned for which is known as the extension of
Delozier Drive. Finally, a north-south Spine Road/Parkway Corridor will provide significant non-vehicular
connection for the development as well as provide connection to the future regional trail that parallels that
existing rail. These connections are being provided for to the extent possible that the development can
provide.
The connections of A Drive and Delozier Drive as well as the ultimate extension of International Drive are
dependent on neighboring properties to be completed. This project will further these connections and
extensions to the extent possible and will allow for the ultimate conditions being realized once neighboring
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properties redevelop. A quick description of each new roadway connection and its furtherance of the overall
network connectivity is provided below:
Sykes Drive
As mentioned previously Sykes Drive will provide a necessary east-west connection to the existing
neighborhood to the west as well as provide connection to the future connection of Greenfields Court, and
the north-south spine road shown as the Parkway Corridor. This roadway will provide substantial east-west
collector connections for existing and future development for both vehicular and non-vehicular traffic.
A Drive and B Drive
Similar to the Sykes Drive connection mentioned previously, A and B Drive provide connection to existing
neighborhoods to the west as well as providing connection to the north-south spine road and future
Greenfields Court extension. This roadway will provide essential connections to any future north-south
Delozier Drive extensions.
Greenfields Court
The north-south arterial extension of Greenfields Court will further the Master Street Plan and provide
essential connection for the future development and existing network. The roadway will provide vehicular,
bicycle, and pedestrian crossing of the Great Western Railway and provide connection between Vine Drive
and Mulberry Street, a connection that currently only exists at Timberline Drive to the west. This roadway
will help activate connection between the proposed residential developments to the commercial
developments oriented along Mulberry Street. It is designed that this connection will be utilized for both
vehicular and non-vehicular traffic for the existing neighborhoods to the north of Vine Street as well as to
the west of the proposed developments.
Spine Road/Parkway Corridor
This north-south connection will provide primarily non-vehicular connectivity between the proposed
development areas. The roadway will be designed as a collector but is planned for greater use for bicycle
and pedestrian traffic. This will allow residential and commercial connection to prioritize walking and biking
trips and take vehicular traffic off the network.
The connections as proposed and shown will provide high levels of connectivity for existing neighborhoods
to the west to the surrounding network. Additionally, the ultimate development is providing a number of
additional elements of connectivity to serve the proposed development and neighboring developments.
Connections both vehicular and non-vehicular are being provided every approximately 660’ feet to provide
recommended connectivity opportunities.
Additional benefits of the planned grid of streets and the larger cohesive neighborhoods is greater
Transportation Demand Management (TDM) opportunities. TDM refers to the strategies and programs that
leverage existing infrastructure to cut down on single occupancy vehicle (SOV) trips. The planned
connection to the regional trail, bicycle and pedestrian focused Parkway and consideration for bicycle and
pedestrian connections under the railway will help to promote non-SOV trips. Although specific programs
have not been determined to date, opportunities for reducing non-SOV trips through cohesive neighborhood
programs would be available due to the planned branding and vision for the Mulberry project.
As mentioned previously, in furtherance of the connectivity of the project the following standard is included
in the PUD language:
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To the extent feasible, all development plans shall provide bicycle and pedestrian and/or vehicular
connection at all sub-arterial streets stubbed to the boundary of the development plan by previously
approved development plans or existing development. All development plans shall provide for future bicycle
and pedestrian and/or vehicular connections to adjacent developable parcels by providing a local street or
landscape tract connection spaced at intervals not to exceed six hundred sixty (660) feet along each
development plan boundary that abuts potentially developable or redevelop able land, to the extent
feasible. When adjacent to open space, natural areas, railroad tracks, or other similar natural or manmade
impediments that inhibit this standard from being met this standard is not required to be met.
Proposed Site Access
As shown on the Applicant’s plan (Figure 1-2) and mentioned above access to Phase 1 will be provided via
the following connections/improvements:
Sykes Drive
Greenfields Court
Greenfields Court/Frontage Round roundabout
Access to the full buildout of the development, Phase 2, would be provided via the following additional
connections/improvements:
Greenfields Court/Vine Drive
Signalization of Sykes Drive/Timberline Road
Trip Generation
Overview
Trip generation estimates for the weekday AM and PM peak hours, as well as the weekday average daily
traffic (ADT), were derived from the standard Institute of Transportation Engineers (ITE) Trip Generation
Manual rates/equations, as published in the 10th edition. The trip generation analysis is presented in Table
5-1.
Internal Capture
Due to the mixed-use nature of the proposed development it is assumed that a number of trips would be
shared between the residential and commercial uses. These are trips that are going from one use on site
to another use on site and should not be counted as separate trips for each use. This “internal capture
reduction” rate is provided by National Cooperative Highway Research Program (“NCHRP”) Transportation
Research Board (“TRB”)’s 8-51 Trip Capture Estimation Tool.
Internal capture was evaluated for Phase 2 of the development and including only those areas closest to
Mulberry Rd. The tool suggests that an internal capture rate of approximately 2% in the AM peak hour and
16% in the PM peak hour can be expected. As shown in Table 5-1, 22 AM peak hour trips and 282 PM
peak hour trips can be anticipated to be captured between the uses on site. The NCHRP worksheets can
be found in Appendix G.
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Pass-by Trips
According to ITE, in some cases the driveway volumes at a particular land use are different from the amount
of traffic added to the adjacent street system. Uses such as retail establishments attract a portion of their
trips from traffic that is already present on the road network. Pass-by trip are those trips which are made
as intermediate stops on the way to a primary destination. An example of a pass-by trip would be one in
which a driver stops at a gas station on his/her way home from work.
The proposed retail uses would experience pass-by trips. In recognition of this phenomenon and consistent
with ITE published data, which is provided in Appendix G, a thirty four percent (34%) pass-by reduction
was applied to the retail portions of the trip generation analysis for the PM peak and ADT.
As shown in Table 5-1, the retail portion of development is anticipated to generate 295 weekday PM peak
hour pass-by trips at buildout. Therefore, these trips would be drawn from the existing road network and
assigned to the future site entrances accordingly. Pass-by trip assignments at key study intersections are
shown on Figure 5-3.
Net Site Trips
The vehicle trips that would be generated by the proposed development plan are summarized in Table 5-
1. As shown in Table 5-1, the site would generate in Phase 1, 424 new weekday AM and 554 weekday
PM peak hour vehicle trips as well as 6,033 new weekday daily trips. Upon completion and full occupancy
Phase 2 the site would generate, 1,569 net new weekday AM and 1,857 net new weekday PM peak hour
vehicle trips as well as 21,821 new weekday daily trips.
Site Trip Distributions
The distribution of the anticipated trips generated by the completion of the proposed development was
based on an examination of existing traffic counts and local knowledge and agreed upon by Staff. Existing
travel patterns indicate the following distribution is appropriate in the forecasting of future site traffic:
To/from the north on Timberline Road: 20%
To/from the east on Vine Drive: 10%
To/from the east on Mulberry Street: 40%
To/from the west on Mulberry Street: 30%
Site Trip Assignments
The assignment of the new vehicle trips generated upon the future build-out of the development project
was based on the above distribution. The trips assignments are depicted on Figure 5-4 for Phase 1 and
Figure 5-5 for Phase 2.
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Table 5-1
Mulberry
Site Trip Generation
Land Average
Use Daily
Land Use Code Amount Units In Out Total In Out Total Trips
Phase 1 - 2023
Single Family Detached Housing 210 371 DU 67 201 268 226 132 358 3,473
Multifamily Housing (Mid-Rise)221 470 DU 41 115 156 120 76 196 2,560
108 316 424 346 208 554 6,033
Phase 2 - 2030
Single Family Detached Housing 210 336 DU 64 189 253 213 124 337 3,417
Multifamily Housing (Mid-Rise)221 1,260 DU 110 309 419 322 205 527 6,862
Residential Subtotal 1,596 DU 174 498 672 535 329 864 10,279
Internal Capture (2)(2)(4)(6)(109)(64)(173)(773)
External Vehicle Trips 172 494 666 426 265 691 9,506
General Office Building 710 49,230 SF 86 14 100 9 51 60 545
Internal Capture (2)(6)(4)(10)(8)(11)(19)(87)
External Vehicle Trips 80 10 90 1 40 41 458
Retail 820 184,860 SF 244 151 395 459 497 956 10,505
Internal Capture (2)(3)(3)(6)(36)(54)(90)(1,681)
External Vehicle Trips 241 148 389 423 443 866 8,824
Pass-by (AM 0%/PM 34%)0 0 0 (144)(151)(295)(3,000)
Net New Retail Trips 241 148 389 279 292 571 5,824
493 652 1,145 706 597 1,303 15,788
601 968 1,569 1,052 805 1,857 21,821
Note(s):
(1) Trip generation based on the Institute of Transportation Engineers' Trip Generation Manual, 10th Edition
(2) Internal Trip Capture based on NCHRP 8-51 Internal Trip Capture Estimation Tool
Total Net New Trips (Phase 1+Phase 2)
AM Peak Hour PM Peak Hour
Phase 1 Site Trips
Phase 2 Net New Trips
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VI. Analysis of Future Conditions with Site Development
Overview
An analysis of total future conditions, with development of the site, is provided for each of the buildout phase
years (2023 and 2030). It was determined that in addition to background growth as described previously,
the nearby Peakview development would be built coincident with Phase 2 of the subject site.
Pipeline Development
As agreed to with Staff, an approved but unbuilt/unoccupied (i.e., “pipeline”) development was identified for
consideration within the study. According to a TIS provided by Staff the Peakview development would be
built with the following mix of uses:
6,500 SF Drive in Bank
54,500 SF Office
154,500 SF Retail
4,000 SF High Turnover Sit-down Restaurant
70 Rooms Hotel
3,000 SF Fast Food with Drive-thru
The location of the pipeline development in relation to the Applicant’s property is shown in Figure 6-1.
Pipeline development trips were generated using the Institute of Transportation Engineers (ITE) 10 th
Generation Trip Generation rates/equations and applied to the study intersections in Figure 8 of the
pipeline’s TIS. The site trip assignments contained therein assume the full buildout of the network and have
been assumed for both the 2030 (Phase 2) and long range analyzes. Relevant excerpts from the Peakview
TIS are provided in Appendix H.
Total Future Traffic Forecasts
The 2023 and 2030 total future traffic forecasts associated with the proposed development were developed
by combining the baseline traffic volumes shown on Figure 3-1, background future forecasts shown on
Figure 4-3 (2023), Figure 4-4 (2030), the Peakview trips for the 2030 scenario only and the total site trip
assignments shown on Figure 5-4 (2023) and Figure 5-5 (2030). The resulting total future traffic forecasts
are provided on Figure 6-2 for 2023 and Figure 6-3 for 2030.
Total Future 2023 and 2030 Levels of Service with Proposed Development
Future levels of service with the proposed development plan were estimated at key study int ersections
based on the future traffic volumes shown on Figure 6-2 and Figure 6-3, the future lane use on Figure 5-1
and Figure 5-2, and the HCM 6th methodologies for signalized, roundabout and unsignalized intersections.
The results of these analyses are provided in Appendix I and presented in Table 6-1. Total future levels of
service are also presented graphically on Figure 6-4 (2023) and Figure 6-5 (2030).
2023 Phase 1 Levels of Service
As shown in Table 6-1, levels of service under Phase 1 future site development conditions would generally
remain consistent with background conditions. All study intersections would continue to operate at overall
41
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Fort Collins, CO
Galloway & Company, Inc.
acceptable levels of service with the exception of Sykes Dr/Timberline Rd. Consistent with background
conditions side street delays are forecasting to operate at LOS “F”.
2030 Phase 2 Levels of Service
As shown in Table 6-1, levels of service under Phase 2 future site development conditions wou ld generally
remain consistent with Phase 1 conditions. All study intersections would continue to operate at overall
acceptable levels of service with the exception of Sykes Drive/Timberline Road. Consistent with Phase 1
conditions side street delays are forecasting to operate at LOS “F”.
Total Future 2023 and 2030 Queuing
Total future queues were forecasted using Synchro software. The results of the queuing analysis are
summarized in Table 6-2. In general, vehicle queues would be consistent with background future
conditions. However, as shown in Table 6-2, the westbound left at Sykes Drive/Timberline Road is
forecasted to exceed the available storage during 2030 Phase 2 buildout conditions .
Total Future 2023 and 2030 Improvements
As shown in Table 6-1 and Table 6-2 the side street delays at the Sykes Drive/Timberline Roa d are
forecasting to operate at LOS “F” during the background and total future scenarios. A signal warrant
analysis was done, which is detailed in future sections of this report, and found that a signal was NOT
warranted in 2023 scenarios but was warranted in 2030 scenarios. The Sykes Drive/Timberline Road was
analyzed as a signalized intersection for the 2030 scenario with signalized improvement.
Under signalized control the Sykes Drive/Timberline Road intersection is forecasted to operate at
acceptable LOS as well as experience queues that are contained within the effective storage of the
intersection.
It is recommended that Sykes Drive/Timberline Road be improved to a signalized intersection as the full
buildout of Mulberry and Peakview developments and additional regional growth generate sufficient trips to
trigger warrants consistent with guidance found in the Manual on Uniform Traffic Control Devices (MUTCD).
A sensitivity analysis for this proposed signal is provided in later sections of this report.
42
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Table 6-1
Mulberry
Total Future Intersection Level of Service Summary (1) (2)
Operating Street Approach/ AM PM AM PM AM PM AM PM
Intersection Condition Name Movement Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour
1 Sykes Dr/Timberline Rd STOP EBL C [25.0] D [27.8] D [30.3] D [33.2] D [34.9] F [51.3] n/a n/a
EBTR B [13.9] B [10.6] C [15.4] B [11.1] B [13.9] B [10.6] n/a n/a
WBL E [38.6] E [37.5] F [56.4] E [49.7] F [84.5] F [129.1] n/a n/a
WBTR A [9.9] B [11.3] B [10.1] B [12.0] B [10.7] B [12.2] n/a n/a
NBL A [9.0] A [8.3] A [9.4] A [8.4] A [9.0] A [8.3] n/a n/a
NBT A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] n/a n/a
NBR A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] n/a n/a
SBL A [8.0] A [8.7] A [8.1] A [9.0] A [8.1] A [9.5] n/a n/a
SBTR A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] n/a n/a
Signal added
Signal EBL n/a n/a n/a n/a n/a n/a B (15.8) B (14.7)
EBTR n/a n/a n/a n/a n/a n/a B (13.4) B (13.5)
WBL n/a n/a n/a n/a n/a n/a B (16.3) B (15.4)
WBTR n/a n/a n/a n/a n/a n/a B (15.0) B (14.6)
NBL n/a n/a n/a n/a n/a n/a B (13.8) A (6.7)
NBT n/a n/a n/a n/a n/a n/a A (5.1) A (5.2)
NBR n/a n/a n/a n/a n/a n/a A (4.2) A (3.6)
SBL n/a n/a n/a n/a n/a n/a A (6.7) B (10.1)
SBTR n/a n/a n/a n/a n/a n/a A (9.7)A (4.6)
n/a n/a n/a n/a n/a n/a A (9.5) A (6.6)
2 Vine Dr/Greenfields Dr STOP EBL A [7.9] A [7.8] A [8.0] A [7.9] n/a n/a n/a n/a
EBT A [0.0] A [0.0] A [0.0] A [0.0] n/a n/a n/a n/a
Vine Dr WBTR A [0.0] A [0.0] A [0.0] A [0.0] n/a n/a n/a n/a
SBL B [12.5] B [13.4] B [13.3] B [14.3] n/a n/a n/a n/a
SBR A [10.0] A [9.6] B [10.3] A [9.8] n/a n/a n/a n/a
Greenfields Ct Access added
STOP EBL n/a n/a n/a n/a A [7.9] A [7.9] A [8.0] A [8.0]
EBTR n/a n/a n/a n/a A [0.0] A [0.0] A [0.0] A [0.0]
WBL n/a n/a n/a n/a A [0.0] A [0.0] A [7.9] A [8.4]
WBTR n/a n/a n/a n/a A [0.0] A [0.0] A [0.0] A [0.0]
NBL n/a n/a n/a n/a A [0.0] A [0.0] C [21.3] D [28.2]
NBTR n/a n/a n/a n/a A [0.0] A [0.0] A [9.9] B [10.9]
SBL n/a n/a n/a n/a B [13.0] B [14.2] C [19.2] C [24.7]
SBTR n/a n/a n/a n/a B [10.1] A [9.8] B [10.4] B [10.1]
3 Frontage Rd/Greenfields Ct STOP Frontage Rd EBTR A [6.8] A [6.9] A [6.8] A [6.9] n/a n/a n/a n/a
Frontage Rd WBLT A [7.6] A [7.8] A [7.6] A [7.8] n/a n/a n/a n/a
Greenfields Ct NBLR A [6.7] A [6.9] A [6.7] A [6.9] n/a n/a n/a n/a
Greenfields Ct Access added
Roundabout constructed CIRCLE Frontage Rd EBLTR n/a n/a n/a n/a A [3.6] A [3.7] A [9.6] D [28.4]
Frontage Rd WBLTR n/a n/a n/a n/a A [3.3] A [4.1] A [6.9] C [16.3]
NBLTR n/a n/a n/a n/a A [3.0] A [3.9] A [7.9] D [31.0]
NBR n/a n/a n/a n/a A [2.8] A [2.9] A [2.9] A [3.0]
SBLT n/a n/a n/a n/a A [4.0] A [3.6] A [9.5] D [26.2]
SBR n/a n/a n/a n/a A [2.7] A [2.8] A [3.6] A [4.1]
n/a n/a n/a n/a A [3.6] A [3.8] A [8.5] D [27.5]
4 International Dr/Private Dr/Greenfields Ct STOP EBL n/a n/a n/a n/a A [0.0] A [0.0] B [13.7] C [22.2]
EBTR n/a n/a n/a n/a A [9.1] A [8.8] B [10.7] A [10.0]
WBL n/a n/a n/a n/a A [0.0] A [0.0] C [18.2] D [28.1]
WBTR n/a n/a n/a n/a A [0.0] A [0.0] A [9.0] A [9.9]
NBL n/a n/a n/a n/a A [7.4] A [7.5] A [7.9] A [8.1]
NBTR n/a n/a n/a n/a A [0.0] A [0.0] A [0.0] A [0.0]
SBL n/a n/a n/a n/a A [0.0] A [0.0] A [7.5] A [7.9]
SBTR n/a n/a n/a n/a A [0.0] A [0.0] A [0.0] A [0.0]
Notes : (1) Numbers in brackets [] represent delay at unsignalized intersections in seconds per vehicle.
(2) Numbers in parenthesis () represent delay at signalized intersections in seconds per vehicle.
Vine Dr
Vine Dr
Vine Dr
Greenfields Dr
Sykes Dr
Timberline Rd
Timberline Rd
Timberline Rd
Timberline Rd
Overall
Total Future 2030
Sykes Dr
Background 2023 Background 2030 Total Future 2023
Sykes Dr
Sykes Dr
Private Dr
Greenfields Ct
Greenfields Ct
Greenfields Ct
Greenfields Dr
Greenfields Ct
Greenfields Ct
International Dr
Overall
48
Table 6-2
Mulberry
Total Future Intersection Queueing Summary (1)
Operating Street Approach/ Available AM PM AM PM AM PM AM PM
Intersection Condition Name Movement Storage Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour
1 Sykes Dr/Timberline Rd STOP EBL 130 2.5 2.5 5 2.5 5 5 n/a n/a
EBTR - 10 5 10 5 10 5 n/a n/a
WBL 200 50 37.5 67.5 47.5 132.5 127.5 n/a n/a
WBTR - 2.5 2.5 2.5 2.5 15 12.5 n/a n/a
NBL - 0 5 0 5 0 5 n/a n/a
NBT - 0 0 0 0 0 0 n/a n/a
NBR 375 0 0 0 0 0 0 n/a n/a
SBL 145 0 2.5 0 2.5 2.5 12.5 n/a n/a
SBTR - 0 0 0 0 0 0 n/a n/a
Signal added
Signal EBL 130 n/a n/a n/a n/a n/a n/a 11 7
EBT - n/a n/a n/a n/a n/a n/a 0 0
WBL 200 n/a n/a n/a n/a n/a n/a 101 73
WBT - n/a n/a n/a n/a n/a n/a 0 0
NBL - n/a n/a n/a n/a n/a n/a 9 29
NBT - n/a n/a n/a n/a n/a n/a 123 209
NBR 375 n/a n/a n/a n/a n/a n/a 17 20
SBL 145 n/a n/a n/a n/a n/a n/a 24 66
SBTR - n/a n/a n/a n/a n/a n/a 471 153
2 Vine Dr/Greenfields Dr STOP EBL 300 0 2.5 0 2.5 n/a n/a n/a n/a
EBT - 0 0 0 0 n/a n/a n/a n/a
Vine Dr WBT - 0 0 0 0 n/a n/a n/a n/a
SBL - 2.5 2.5 2.5 2.5 n/a n/a n/a n/a
SBR - 2.5 2.5 2.5 2.5 n/a n/a n/a n/a
Greenfields Ct Access added
STOP EBL 300 n/a n/a n/a n/a 0 2.5 0 2.5
EBTR - n/a n/a n/a n/a 0 0 0 0
WBL 250 n/a n/a n/a n/a 0 0 5 7.5
WBTR - n/a n/a n/a n/a 0 0 0 0
NBL 100 n/a n/a n/a n/a 0 0 25 32.5
NBTR - n/a n/a n/a n/a 0 0 7.5 10
SBL - n/a n/a n/a n/a 2.5 2.5 5 5
SBTR - n/a n/a n/a n/a 2.5 2.5 2.5 2.5
3 Frontage Rd/Greenfields Ct STOP Frontage Rd EBTR - 2.5 5 2.5 5 n/a n/a n/a n/a
Frontage Rd WBLT - 7.5 10 7.5 10 n/a n/a n/a n/a
Greenfields Ct NBLR - 2.5 2.5 2.5 2.5 n/a n/a n/a n/a
Greenfields Ct Access added
Roundabout constructed CIRCLE Frontage Rd EBLTR - n/a n/a n/a n/a 0 0 50 150
Frontage Rd WBLTR - n/a n/a n/a n/a 0 0 0 25
Greenfields Ct NBLTR - n/a n/a n/a n/a 0 25 75 425
Greenfields Ct SBLTR - n/a n/a n/a n/a 25 0 75 275
4 International Dr/Private Dr/Greenfields Ct STOP EBL 100 n/a n/a n/a n/a 0 0 2.5 7.5
EBTR - n/a n/a n/a n/a 12.5 7.5 17.5 12.5
WBL 100 n/a n/a n/a n/a 0 0 12.5 15
WBTR - n/a n/a n/a n/a 0 0 2.5 0
NBL 100 n/a n/a n/a n/a 2.5 7.5 5 12.5
NBTR - n/a n/a n/a n/a 0 0 0 0
SBL 100 n/a n/a n/a n/a 0 0 0 0
SBTR - n/a n/a n/a n/a 0 0 0 0
Notes : (1) Queue length is based on the 95th percentile queue as reported by Synchro, Version 10.
Background 2023 Background 2030 Total Future 2023 Total Future 2030
Sykes Dr
Sykes Dr
Timberline Rd
Sykes Dr
Timberline Rd
Vine Dr
Greenfields Dr
Sykes Dr
Timberline Rd
Timberline Rd
Greenfields Ct
Greenfields Ct
International Dr
Private Dr
Vine Dr
Vine Dr
Greenfields Ct
Greenfields Dr
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VII. Analysis of 2040 (Long Range) Future Conditions
Methodology
The 2040 future traffic forecasts were developed for 2040 conditions based on a composite of 2030 total
future conditions, and additional regional traffic. The total future 2040 lane use and traffic control is
consistent with total future Phase 2 2030 lane use provided on Figure 5-2.
Regional Growth
Consistent with previous methodologies increases in traffic associated with regional growth were estimated
at two (2.0) percent per year, as agreed upon in the scope of work, compounded for through movements
along Timberline Road and Vine Drive up to 2040. The resulting increases in traffic within the study area
are reflected on Figure 7-1.
Total Future 2040 Traffic Forecasts
A long range 2040 analysis is provided for informational and planning purposes. The 2040 total future traffic
forecasts were created by combining the baseline traffic volumes shown on Figure 3-1, growth up to the
year 2040 shown on Figure 7-1. The resulting total future 2040 traffic forecasts are provided on Figure 7-
2.
Total Future 2040 Levels of Service
Future levels of service with the proposed development plan were estimated at key study intersections
based on the future traffic volumes shown on Figure 7-2, the lane use and traffic control shown on Figure
5-2, and the HCM 6th methodologies for signalized, roundabout and unsignalized intersections. The results
of these analyses are provided in Appendix J and presented in Table 7-1. Total future 2040 levels of service
are also presented graphically on Figure 7-3 (2040).
As shown in Table 7-1, during the 2040 scenario all study intersections would continue to operate at overall
acceptable levels of service consistent with 2030 conditions with improvements.
Total Future 2040 Queuing
Total future queues were forecasted using Synchro software. The results of the queuing analysis are
summarized in Table 7-2. As shown in Table 7-2, during the 2040 all study intersection queues would be
contained within their effective storage.
The 2040 long range analysis is provided for informational purposes only. Due to the long range of timing
the level of growth and development may not materialize, and certain developments may not be constructed
as studied.
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Table 7-1
Mulberry
Total Future 2040 Intersection Level of Service Summary (1) (2)
Operating Street Approach/ AM PM AM PM AM PM
Intersection Condition Name Movement Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour
1 Sykes Dr/Timberline Rd STOP EBL D [34.9] F [51.3] n/a n/a n/a n/a
EBTR B [13.9] B [10.6] n/a n/a n/a n/a
WBL F [84.5] F [129.1] n/a n/a n/a n/a
WBTR B [10.7] B [12.2] n/a n/a n/a n/a
NBL A [9.0] A [8.3] n/a n/a n/a n/a
NBT A [0.0] A [0.0] n/a n/a n/a n/a
NBR A [0.0] A [0.0] n/a n/a n/a n/a
SBL A [8.1] A [9.5] n/a n/a n/a n/a
SBTR A [0.0] A [0.0] n/a n/a n/a n/a
Signal added
Signal EBL n/a n/a B (15.8) B (14.7) B (19.2) B (17.3)
EBTR n/a n/a B (13.4) B (13.5) B (16.3) B (16.0)
WBL n/a n/a B (16.3) B (15.4) B (19.9) B (18.2)
WBTR n/a n/a B (15.0) B (14.6) B (18.2) B (17.2)
NBL n/a n/a B (13.8) A (6.7) B (19.2) A (7.4)
NBT n/a n/a A (5.1) A (5.2) A (5.1) A (5.8)
NBR n/a n/a A (4.2) A (3.6) A (4.0) A (3.4)
SBL n/a n/a A (6.7) B (10.1) A (7.1) B (12.4)
SBTR n/a n/a A (9.7)A (4.6)B (17.3)A (4.7)
n/a n/a A (9.5) A (6.6) B (13.9) A (7.2)
2 Vine Dr/Greenfields Dr STOP EBL A [7.9] A [7.9] A [8.0] A [8.0] A [8.2] A [8.1]
EBTR A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] A [0.0]
WBL A [0.0] A [0.0] A [7.9] A [8.4] A [8.0] A [8.6]
WBTR A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] A [0.0]
NBL A [0.0] A [0.0] C [21.3] D [28.2] D [26.0] E [36.0]
NBTR A [0.0] A [0.0] A [9.9] B [10.9] B [10.2] B [11.5]
SBL B [13.0] B [14.2] C [19.2] C [24.7] C [22.2] D [29.3]
SBTR B [10.1] A [9.8] B [10.4] B [10.1] B [11.0] B [10.5]
3 Frontage Rd/Greenfields Ct CIRCLE Frontage Rd EBLTR A [3.6] A [3.7] A [9.6] D [28.4] A [9.6] D [28.4]
Frontage Rd WBLTR A [3.3] A [4.1] A [6.9] C [16.3] A [6.9] C [16.3]
NBLTR A [3.0] A [3.9] A [7.9] D [31.0] A [7.9] D [31.0]
NBR A [2.8] A [2.9] A [2.9] A [3.0] A [2.9] A [3.0]
SBLT A [4.0] A [3.6] A [9.5] D [26.2] A [9.5] D [26.2]
SBR A [2.7] A [2.8] A [3.6] A [4.1] A [3.9] A [4.1]
A [3.6] A [3.8] A [8.5] D [27.5] A [8.5] D [27.5]
4 International Dr/Private Dr/Greenfields Ct STOP EBL A [0.0] A [0.0] B [13.7] C [22.2] B [13.7] C [22.5]
EBTR A [9.1] A [8.8] B [10.7] A [10.0] B [10.7] B [12.5]
WBL A [0.0] A [0.0] C [18.2] D [28.1] C [18.2] D [29.7]
WBTR A [0.0] A [0.0] A [9.0] A [9.9] A [9.0] C [16.2]
NBL A [7.4] A [7.5] A [7.9] A [8.1] A [7.9] A [8.1]
NBTR A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] A [0.0]
SBL A [0.0] A [0.0] A [7.5] A [7.9] A [7.5] A [7.9]
SBTR A [0.0] A [0.0] A [0.0] A [0.0] A [0.0] A [0.0]
Notes : (1) Numbers in brackets [] represent delay at unsignalized intersections in seconds per vehicle.
(2) Numbers in parenthesis () represent delay at signalized intersections in seconds per vehicle.
Vine Dr
Vine Dr
Sykes Dr
Timberline Rd
Timberline Rd
Timberline Rd
Timberline Rd
Overall
Total Future 2040Total Future 2030
Sykes Dr
Total Future 2023
Sykes Dr
Sykes Dr
Private Dr
Greenfields Ct
Greenfields Ct
Greenfields Ct
Greenfields Dr
Greenfields Ct
Greenfields Ct
International Dr
Overall
54
Table 7-2
Mulberry
Total Future 2040 Intersection Queueing Summary (1)
Operating Street Approach/ Available AM PM AM PM AM PM
Intersection Condition Name Movement Storage Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour Peak Hour
1 Sykes Dr/Timberline Rd STOP EBL 130 5 5 n/a n/a n/a n/a
EBTR - 10 5 n/a n/a n/a n/a
WBL 200 132.5 127.5 n/a n/a n/a n/a
WBTR - 15 12.5 n/a n/a n/a n/a
NBL - 0 5 n/a n/a n/a n/a
NBT - 0 0 n/a n/a n/a n/a
NBR 375 0 0 n/a n/a n/a n/a
SBL 145 2.5 12.5 n/a n/a n/a n/a
SBTR - 0 0 n/a n/a n/a n/a
Signal added
Signal EBL 130 n/a n/a 11 7 11 7
EBT - n/a n/a 0 0 9 0
WBL 200 n/a n/a 101 73 101 73
WBT - n/a n/a 0 0 0 6
NBL - n/a n/a 9 29 10 30
NBT - n/a n/a 123 209 150 280
NBR 375 n/a n/a 17 20 17 20
SBL 145 n/a n/a 24 66 24 82
SBTR - n/a n/a 471 153 614 191
2 Vine Dr/Greenfields Dr STOP EBL 300 0 2.5 0 2.5 0 2.5
EBTR - 0 0 0 0 0 0
WBL 250 0 0 5 7.5 5 7.5
WBTR - 0 0 0 0 0 0
NBL 100 0 0 25 32.5 32.5 42.5
NBTR - 0 0 7.5 10 10 10
SBL - 2.5 2.5 5 5 5 5
SBTR - 2.5 2.5 2.5 2.5 2.5 2.5
3 Frontage Rd/Greenfields Ct CIRCLE Frontage Rd EBLTR - 0 0 50 150 50 150
Frontage Rd WBLTR - 0 0 0 25 0 25
Greenfields Ct NBLTR - 0 25 75 425 75 425
Greenfields Ct SBLTR - 25 0 75 275 75 275
4 International Dr/Private Dr/Greenfields Ct STOP EBL 100 0 0 2.5 7.5 2.5 7.5
EBTR - 12.5 7.5 17.5 12.5 17.5 12.5
WBL 100 0 0 12.5 15 12.5 15
WBTR - 0 0 2.5 0 2.5 0
NBL 100 2.5 7.5 5 12.5 5 12.5
NBTR - 0 0 0 0 0 0
SBL 100 0 0 0 0 0 0
SBTR - 0 0 0 0 0 0
Notes : (1) Queue length is based on the 95th percentile queue as reported by Synchro, Version 10.
Total Future 2023 Total Future 2030 Total Future 2040
Sykes Dr
Sykes Dr
Timberline Rd
Sykes Dr
Timberline Rd
Sykes Dr
Timberline Rd
Timberline Rd
Greenfields Ct
Greenfields Ct
International Dr
Private Dr
Vine Dr
Vine Dr
Greenfields Ct
Greenfields Dr
55
Mulberry
Fort Collins, CO
Galloway & Company, Inc.
VIII. Access Management and Improvements
Signal Warrants
It was identified in 2023 and 2030 analyses that at capacity levels of service on the side streets of the
following intersections may warrant signalization in order to operate at acceptable levels of serv ice:
• Sykes Drive/Timberline Road
The Manual on Uniform Traffic Control Devices 2009 Edition (MUTCD) provides a nine (9) distinct warrants
for determining the appropriateness of a traffic signal as an operational improvement for an intersection.
Warrant 1 – Eight-Hour Vehicular Volume
Condition A – Minimum Vehicular Volume
Condition B – Interruption of Continuous Traffic
Condition C – Combination of Warrants
Warrant 2 – Four-Hour Vehicular Volume
Warrant 3 – Peak Hour
Condition A – Peak Hour Delay
Condition B – Peak Hour Volume
Warrant 4 – Pedestrian Volume
Condition A – Peak Hour Volume
Condition B – Four-Hour Volume
Warrant 5 – School Crossing
Warrant 6 – Coordinated Signal System
Warrant 7 – Crash Experience
Warrant 8 – Roadway Network
Warrant 9 – Intersection Near a Grade Crossing
Due to the availability of the data from this traffic study, Warrant 3 was considered to confirm the use of a
traffic signal as an improvement for the above intersection. The peak hour warrant worksheets are provided
in Appendix J and based on the 2023 and 2030 forecasts provided in Figure 6-2 (2023) and Figure 6-3
(2030) and the LOS analysis provided on Table 7-1. The following scenarios were evaluated for Warrant 3
– Peak Hour warrants:
• Sykes Drive/Timberline Road (2023 – Phase 1) – NOT Warranted
• Sykes Drive/Timberline Road (2030 – Phase 2) – Warranted
As mentioned previously, a sensitivity analysis was performed to determine approximately how much
additional development can be accommodated above Phase 1 assumptions before a signal would be
triggered. For this sensitivity analysis, it was assumed that development would occur south of the Great
Western Railroad tracks after Phase 1 and that the Peakview development would not be constructed and
occupied. With these assumptions and those assumptions guiding Phase 1 analyzes, the Phase 1
multifamily unit count was increased until the Peak Hour Warrant was trigger. From this exercise it was
determined that approximately 1,000 additional multifamily units could be accommodated before a signal
was warranted. The worksheet for this analysis is provided in Appendix J. It should be noted that due to the
uncertainty of the pace of background regional growth, the development timeline of the Peakview
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Mulberry
Fort Collins, CO
Galloway & Company, Inc.
development and other uncertainties the proposed signal at Sykes Drive and Timberline Road should be
reassessed with filings above and beyond the Phase 1 analysis contained herein.
Access Management
According to access management guidelines provided in the LCUASS signalized spacing along Timberline
Road should be spaced at a minimum of a quarter mile. It is anticipated that the Vine Drive/Timberline Road
intersection will be signalized in the future and is the nearest signalized intersection to the proposed Sykes
Drive/Timberline Road signal. These two intersections are approximately a quarter mile apart and therefore
would meet access management standards.
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