HomeMy WebLinkAboutLARIMER COUNTY COMMUNITY CORRECTIONS FACILITY ADDITION, PHASE II - SITE PLAN ADVISORY REVIEW - 19-03A - SUBMITTAL DOCUMENTS - ROUND 1 - TRAFFIC STUDY-__-_ - _ ____ -- - - - ------------ -
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SITE LOCATION Figure 1
distributed throughout the day (24 hours). It is assumed that all staff
personnel use personal vehicles and that they leave/return to the LCCC
Facility at least one additional time during their shift_ This results in
4 daily trip ends per employee. With these travel assumptions, the number
of motor vehicle trip ends is 228 per day. If there is carpooling or
alternative mode use (walk/bike), the staff trip generation would be
reduced. The DRC aspect could generate 314 daily trip ends if each client
used a private motor vehicle. However, their circumstances are such that
as many as 75 percent may have lost their driver's license. Of these,
about half may get a ride from a friend or family, and half will find
alternative travel means (walk/bike). This would result in the a trip
generation for the DRC of 158 daily vehicle trip ends. Likewise, the PW
aspect may have 60 percent of their trip generation by motor vehicles,
which would be 40 daily vehicle trip ends. Given the foregoing analysis,
the existing LCCC Facility generates 480-662 motor vehicle trip ends per
day.
The proposed expansion will cause an increase in the trip generation
related only to the increase in visitors and the increase in staff. Given
the same trip generation assumptions as those for the existing LCCC
Facility, the visitors will generate 50 daily trip ends and the staff will
generate 64 daily trip ends, totaling 114 daily trip ends. All of these
are considered to be by motor vehicles. Therefore, the expanded LCCC
Facility will generate 594-776 daily trip ends.
Since the new trip generation of the LCCC, Phase 2 is 114 daily motor
vehicles trip ends, a detailed transportation impact study is not required.
The new vehicle trip ends will utilize the existing streets and
intersections. While the increase in site generated traffic is 15-20
percent higher than the existing site traffic, the increase in traffic at
the key access intersections will be less than 5 percent. At the
Prospect/Timberline intersection, the increase in traffic will be less than
1 percent. The City of Fort Collins will be improving the Prospect/
Timberline intersection and Timberline Road south of Prospect Road as a
capital improvement project over the next year or so. Prior to 2005, the
Prospect/Timberline intersection was experiencing delays during the peak
hours that had it operating unacceptably. This was creating an adequate
public facilities (APF) issue that limited the amount of traffic that could
be introduced into this intersection. The capital improvement project will
eliminate the APF issue. Therefore, the expansion of the LCCC Facility
will be able to advance without traffic operation constraints.
There are existing sidewalks and bike lanes/paths in the area. With
the aforementioned capital improvement project, both sidewalks and bike
lanes will be enhanced and/or added. Both pedestrian and bicycle level of
service will be acceptable. This area is not served by Transfort.
Providing transit service in this area would be helpful to the clients of
the LCCC Facility. The Fort Collins Transit Plan (future) indicates that
there will be 30 minute service on Prospect Road and 20 minute service on
Timberline Road. As reported in the cited TIS, the transit level of
service will be acceptable in the future.
Based upon the foregoing analyses, it is expected that the LCCC;
Phase 2 will have minimal impact on the transportation system. All of the
key intersections will operate acceptably given the City capital
improvement project in the area.
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MEMORANDUM
TO: Babette Cornell, Larimer County Facilities Department""-`
Walt Gantt, Kenney & Associates
Traci Downs, Larimer County Engineering Department
Martina Wilkinson, Larimer County Engineering Department
FROM: Matt Delich
DATE: November 28, 2005
SUBJECT: Larimer County Community Corrections, Phase 2
transportation impact study (File: 0597ME01)
This memorandum provides a transportation impact study for the
Larimer County Community Corrections (LCCC), Phase 2. The LCCC,
Phase 2 is proposed to be an addition to the LCCC Facility that was
constructed in the last year. It is located in the East Prospect
Business Park, south of Prospect Road and east of Timberline Road in
Fort Collins. Figure 1 shows the location of the LCCC. The "Larimer
County Community Corrections Facility Transportation Impact Study,"
(TIS) May 2003 was prepared prior to approval and construction of the
existing LCCC Facility. The scope of the LCCC, Phase 2
transportation impact study was discussed with Martina Wilkinson,
Larimer County Engineering Department on November 21, 2005. It was
agreed that, due to the low trip generation,. a technical memorandum
would be required.
Figure 2 shows the site plan for the LCCC, Phase 2. The
addition will be to the northwest elevation of the existing LCCC
Facility. The following information was obtained from a letter to
Walt Gantt, Kenney & Associates from Babette Cornell, Larimer County
Facilities Department. The new facility will have 151 beds. The
existing facility has 176 beds. Visitors for the residential area
were surveyed at 27 per day. It is expected that the expansion of
the residential area would generate an additional 25 visitors per
day. The staff at the existing facility is at 57 with 24/7 shifts.
The daytime (business day) staff in the existing LCCC Facility is 35
people. The expansion will add 16 staff persons. It is expected
that they will all be daytime staff. In addition to the residents
and staff, the existing LCCC Facility is also utilized by two other
corrections aspects known as the Day Reporting Center (DRC) and the
Public Window (PW). As surveyed in early November 2005, these
aspects generated 157 visitors at the DRC and 33 visitors at the PW.
Neither the DRC or PW aspects will be expanding and, therefore, the
surveyed visitors are expected to remain stable.
The staff, clients, and visitors were converted to daily trip
ends for the existing LCCC Facility. The residents (176 beds)
generate no motor vehicle trips themselves. They either walk, bike
or use public transportation when they leave the LCCC Facility.
Currently, Transfort does not serve this area. Visitors to the
residential area would likely use motor vehicles. Therefore, the 27
visitors would generate 54 daily trip ends. These visitors are