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PCP 06-01-2005
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PCP 06-01-2005
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5/8/2007 1:14:19 PM
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<br /> . . <br /> . An intersection capacity analysis was conducted for the existing study <br /> intersections per the Highway Capacity Manual, Intersections controlled by <br /> traffic signals or all-way stop signs are assigned a "Level of Service" letter grade <br /> based on the intersection geometry, traffic volumes, and traffic control. Level of <br /> Service A (LOS A) represents light traffic flow (free flow conditions) while Level of <br /> Service F (LOS F) represents heavy traffic flow (over capacity conditions), LOS <br /> D is considered acceptable in urban conditions, although LOS C or better is <br /> preferred. <br /> Intersections that have no control for the main roadway and stop sign or yield <br /> sign control for the side streets are not assigned an overall LOS grade. Usually, <br /> an intersection that has side-street stop sign control has little delay because most <br /> of the traffic is moving through without stopping, LOS grades are assigned to <br /> each of the side street approaches and main line left turns based on the <br /> intersection geometry and traffic volumes, It is common for the side street <br /> approach to have a poor LOS during the peak hours. LOS F is considered <br /> acceptable at stop controlled approaches as long as the approach volumes are <br /> relatively light and there are no stacking problems. The LOS calculated at a stop <br /> sign controlled intersection is different than the LOS calculated at a signalized <br /> intersection, Motorists have more tolerance for delay at a traffic signal than they <br /> do at a stop sign, <br /> e The Highway 96/Hamline Avenue intersection currently operates at LOS C in the <br /> a.m, peak hour and LOS D in the p,m. peak hour. The stop sign controlled <br /> eastbound approach to the Hamline Avenue/Karth Lake Circle intersection <br /> operates at LOS E in the a.m. peak hour and LOS F in the p.m. peak hour. The <br /> calculations are included in the Appendix, <br /> !!r TR4~1=!C FOR~C/'ISTS <br /> A trip generation analysis was performed for the site based on the methods and <br /> rates published in the ITE Trip Generation Manual, 7th Edition, The site is <br /> currently zoned for neighborhood business uses, which includes offices. It is <br /> anticipated that all of the units will be used as offices, but it is possible that a <br /> business with a retail component could be allowed to occupy a unit under the <br /> current zoning. The zoning would not allow high traffic generators (I.e, <br /> McDonald's), but would allow small boutiques (I.e, antiques store), The uses <br /> allowed would generate approximately the same amount of traffic that a normal <br /> office would, so it is assumed all of the units would generate traffic as office units, <br /> The results are shown in Table 1, <br /> e <br /> -~-- --- -- ---_..-.------- ."_..~.__.- <br /> Arden Hi/ly OJ/ice Park 6 .4rden Hills. .:\1.\: <br /> TmfJic /mpacr S!lIiZI' Mal" 2005 <br />
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