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<br />MAR-20-1997 09:57 <br /> <br />ERW <br /> <br />612 370 1378 P.02/11 <br /> <br />.6?~ <br />~)?) <br />CENTRE POINTE TRAFFIC IMP ACT STUDY 2~ <br />SUMMARY OUTLINE OF FORECASTING PROCESS '~ <br /> <br />Establishment of Existinl!: Conditions <br /> <br />. Ex.isting turning movements at the study area intersections were used as a base - they are <br />listed below by source (see figure calJed "1997 Turning Movements"). <br /> <br />. Movements counted by OSM in 1996 as part of Centre Pointe EA W and factored <br />up by 2% (based on past historical growth rate) over one year to reflect 1997 <br />conditions: <br />· Cleveland Ave. and North Centre Pointe Dr. <br />· Cleveland Ave. and Lydia Ave. <br />· Cleveland Ave. and South Centre Pointe Dr. <br /> <br />· Movements counted by Barton-Aschman in 1994 as part of 1994 Centre Pointe <br />Traffic Impact Study and factored. up by 2% (based on past historical growth rate) <br />over three years to reflect 1997 conditions: <br />· West 135W ramps and County Road D <br />· East I 35 W ramps and County Road D <br /> <br />· Movements counted by BRW in 1997: <br />· Cleveland Ave. and County Road D <br />· Cleveland Ave. and County Road C <br /> <br />Development of2001 Baek&round Traffic Conditions <br /> <br />. Used traffic model to estimate 2001 Background Traffic <br /> <br />. Interpolated 200 1 daily trip generation for entire city using 1990 base year and <br />2010 forecast year daily trip generation. <br /> <br />. Further refined daily trip generation in Roseville Traffic Model to include land use <br />changes expected to occur adjacent to Centre Pointe (see tab1e caned "Changes in <br />Roseville Model Land Use Assumptions From 1990 to 2001 for Developments <br />Adjacent to Centre Pointe"). <br /> <br />. Distributed and Assigned daily trips in 2001 to 2001 RoseviIle model network <br /> <br />. Adjusted assigned traffic by difference between 1990 daily traffic counts and 1990 <br />daily model assignments. <br /> <br />· Multiplied dai1y 200 I model assignments by 8.4%> which is the peak hourly <br />percentage of daily traffic (time of day is 4 -5 PM). Source of data is A TR station <br />#430 on County Road C just west of Prior Ave. Data year is 1994 which is latest <br />available from MnlDOT. <br />