Vistas of C 1stP-CS 960311 Carter :: Burgess
:".:1 IflR 121996 -'.
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March 11, 1996
Mr. Dennis Winzeler ~ --, -
Vista Properties, Inc.
5959 Berkshire Lane, Ste 400
Dallas. Texas 75225
Re: Traffic Impact Summary for the Vistas of Coppell ~ ' '
Mr. Winzeler. ,-' ....
Based on conversations with you concerning the traffic genei'ated by your development, it is
projected that a major decrease in traffic ~ill be produced by the site as single-family versus one
as mixed commercial,______, and multi-family. It is projected that the 252 dwelling units ~iI1 generate
249~trips
ho~urs.
approximatel.~2~40~trips dally, with 180 and during and PM peak
respectively. This is in contrast to the large volumes generated as a commercial/multi-family
development. The 21.78 acre commercial parC'el developed with 50% of the land covered with a
two-story building would creat~ltrips dally, with 612 and 2858 trips during the AM and
.P: ! peak hours, respectively. In addition, the 40.45 acre multi-family parcel with 22 units per
acre. would ~enerate 5.792 trips dailv, ~vith 440 and 485 trips during the AM and PM peak hours,
respectively.~ Therefore.~ee change in land use from commercial/multi-family to single-family
~ill reduce the dally trips by ~93~,4_..
In terms of trip distribution, it is anticipated that most traffic will be traveling to
Dallas via Denton Tap or to North Dallas via the soon to be completed interchange at IH 35 and
SH 121 Bypass. We anticipate that 50% of the traffic ~iI1 use IH 35, 30% on Denton Tap, and
the remaining 20% will use MacAnhur. 7: · ~""v"- ~u,,~" '.':- --' ..... ; .....
It has been my experience that a signal is not recommended on the frontage road for a private
development. Therefore. the high volumes generated as pan of the current commercial zoning
would be limited by the less than optimal traffic control. The exiting volume generated by the
single-family development may not warrant a signal due to the reduced AM peak hour exiting
volume of 137 vehicles. Therefore, in terms of traffic, the single-family development ~ill create
better traffic flow in the area than a commerci~'multi-family land use. Furthermore, with three
residential entrances to the future frontage road and one to MacArthur, traffic will be dispersed.
The projected volumes would then be less than what is warranted for a signal to be installed.
Our experience indicates that installation of a signal on TxDOT maintained frontage roads.
- ;E -
between major cross streets, is highly unusual. .-..- :. ~,.,: --.~..~,.~,.. ~,, ~-..-.. ~. ,- ,.
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C~¢'er & Burgess, Inc. '=.~C E 'rcrcs~ ~.i'e 253 3= --.~ -~. =-.'
Please call with any traffic related questions concerning this project.
Sincerely,
CARTER & BURGESS, INC.
Steve T. Taylor, P.E.
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