HomeMy WebLinkAboutSAGE CREEK - PDP - 25-98B - SUBMITTAL DOCUMENTS - ROUND 3 - TRAFFIC STUDYRk
LONG RANGE DAILY TRAFFIC FORECASTS Figure 1
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TO: Jim Postle, The James Company
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Eldon Ward, Cityscape Urban Design
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City of Fort ColliSO)
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FROM: Matt Delich
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DATE: November 29, 1999
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SUBJECT: Sage Creek - Addendum to the Harvest Park and Sage Creek
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Transportation Impact Study (File: 9909ME02)
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This addendum to the "Harvest Park and Sage Creek
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Transportation Impact Study," April 1999, addresses traffic related
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issues contained in a letter to Eldon Ward from Cain McNair dated
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October 11, 1999. The traffic related issues are numbered 1 and 3
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in the cited letter. Figure 1 shows the expected daily traffic
volumes on the various internal and external streets in the vicinity
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of Sage Creek.
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I have reviewed my traffic assignment and have considered
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future development to the west of Sage Creek. As indicated in
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current site plans, Sage Creek Road will be connected to future
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development to the west. It is assumed and expected that this future
development would have a number of other street accesses to CR36 and
Timberline Road. From available mapping, this future development
covers approximately the same land area as Sage Creek. Therefore,
the trip generation would likely be of the same magnitude as Sage
Creek. In consideration of future trip attractions that would cause
a person to access either Corbett Drive or CR9 via Sage Creek Road,
it is estimated that 200-300 vehicles per day might be expected
from/to this future development. If it were assumed that the same
volume would occur in the other direction, then a maximum volume of
600 vehicles per day could be expected on Sage Creek Road. There
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would be some additional incidental traffic related to the houses
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that front on Sage Creek Road. This very conservatively high volume
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will remain less than 1000 vehicles per day. In my judgment, this
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segment of Sage Creek Road should be designated as a local street.
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It is my understanding that Sage Creek Road, between Corbett
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Drive and CR9, will be built to a connector cross section with a 42
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foot width. In my analyses, I have forecasted volumes on this
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segment that are commensurate with a local street. The forecasted
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volumes are less than 1000 vehicles per day. In my judgment, the
additional street width is neither necessary or desired. Experience
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tells me that providing additional width on local streets to
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accommodate bicycles often gets us nothing except higher speeds. Case
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point. is Whalers Way, which is a wide street with on -street
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parking and bike lanes. Granted, Whalers Way is designated as a
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collector street, but the adjacent land uses are largely residential
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with driveway access. Due to citizen complaints, a calming feature
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was installed at one end of the street. I would guess that speeds
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are still relatively high on the segment of Whalers Way to the east
of the calming feature. I believe that Sage Creek Road, between
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Corbett Drive and CR9 will also have these higher speeds. In my
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judgment, the narrower cross section will have a traffic calming
effect due to the intended "yield and pause" condition.