2007-10-23_PWETC_AgendaPacket - Laserfiche WebLink

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Mr. Jeffrey Agnes 3 September 12, 2007 As requested by City staff, this traffic study has been performed to determine to what extent the above referenced changes will affect the quality of traffic operations at the following three intersections during the weekday p.m. peak hour and the Saturday mid-day peak hour: . Snelling A venue and County Road B . Snelling A venue and Har Mar access drive . County Road B and main Har Mar access drive Along the frontages of the Har Mar site, Snelling A venue presently has a speed limit of 45 mph, and County Road B has a speed limit of 35 mph. The intersection of Snelling A venue with County Road B has traffic signal control, which is coordinated with the Har Mar access intersection to the south on Snelliug Avenue. The traffic signal provides protected only left turns on Snelling Avenue and protected/permissive left turns on County Road B. The north leg of Snelling A venue provides two left turn lanes, two through lanes, and a right turn lane. The south leg of Snelling A venue provides one left turn lane, two through lanes, and a channelized right turn lane. The west leg of County Road B provides one left turn lane, one through lane, and one lane which serves both through and right turn movements. The east leg of County Road B provides one left turn lane, two throngh lanes, and one short right turn lane. The intersection of Snelling A venue with the Har Mar access is controlled by a traffic signal, which provides protected only left turns on Snelling A venue. The east and west legs of the intersection accommodate all movements on a single green ball phase. The north and south legs of Snelling A venue provide a left turn lane, two through lanes, and a right turn lane. The right turn lane on the south leg is channelized. The west leg provides a left turn lane and a shared through/right turn lane. The east leg provides one lane each for left turns, through movements, and right turns. The intersection of County Road B with the main Har Mar access is controlled by a traffic signal, which provides protected/permitted left tnrn movements on all four legs of the intersection. The west and east legs of County Road B provide a left turn lane, a through lane, and a shared through/right turn lane. The n0l1h and south legs of the intersection both provide a left turn lane and a shared through/right turn lane. TRAFFIC FORECASTS Consistent with standard practice, the traffic forecasts and analyses in this rep0l1 have been prepared for 2009, one year after expected completion of the development plan. Thus, for both the weekday p.m. peak hour and for the Saturday mid-day peak hour, traffic forecasts and analyses have been completed for the following three scenarios: . Existing . 2009 no-build . 2009 build We established existing volumes through use of counts conducted by Mn/DOT staff at the Snelling A venue/County Road B intersection and counts conducted by our staff at the Har Mar