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CCP 01-11-1999
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CCP 01-11-1999
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<br />l~(t' <br /> <br />site, connecting CR I and CR J, The intersection analysis assumes signalization and lane <br />improvements at the CR I and CR J intersections with Rice Creek Parkway as illustrated on Figure <br />5-3. The analysis also assumes signalization at the east site driveway to CR J, at the CR UWest 1- <br />35W Ramp intersection, and at the CR IlEast 1-35W Ramp intersection. The only other change to <br />the road system assumed is a left turn lane from westbound CR I to the West 1-35W ramps. <br /> <br />The results of the intersection analysis are shown in Table 5-4. As indicated in the table, all of the <br />key intersections are forecast to operate at LOS D or better during the PM peak traffic hour except <br />the intersection of CR J and the West 1-35W Service Road which is forecast to operate at LOS E. <br />The forecast traffic volumes at this intersection will approach or exceed the practical capacity of the <br />intersection resulting in long delay times. <br /> <br />As noted in Table 5-4, the intersection analysis assumes a traffic signal with walk/don't walk <br />indications and pedestrian push button and 100 pedestrians per hour at the intersection of CR I and <br />Rice Creek Parkway. (The assumption of 100 pedestrians per hour corresponds to a low volume of <br />pedestrians for the capacity analysis. A low volume of pedestrians is typically used for analysis in <br />suburban areas and produces a conservative result versus assuming no pedestrians.) There are <br />children who walk from the residential area east of Rice Creek to Pinewood School on the west side <br />of 1-35W. When Rice Creek Parkway is constructed they will need to cross it and pedestrian <br />crossingfacilities (crosswalk, push-button) will need to be provided, <br /> <br />As shown on Figure 5-3, the traffic analysis assumes 4 southbound lanes on Rice Creek Parkway to <br />CR 1. The forecast volume of right turns (743 in the PM peak hour) requires 2 right-turn lanes. The <br />forecast volume of left-turn movements (129 in the PM peak hour) requires a separate left-turn lane. <br />One through lane is provided. <br /> <br />Evaluation of Roadway Alternatives <br /> <br />An evaluation was conducted to determine how the development potential of the site would be <br />affected if Rice Creek Parkway were not constructed south of the site such that there would be no <br />direct access from the site to CR 1. This evaluation estimates the amount of development that could <br />occur on the site if Rice Creek Parkway does not connect south to CR I. <br /> <br />The evaluation was based on a base development scenario consisting of 272 residential dwelling <br />units and 5,000 S.F. of retail development. The base development was defined by the developer as <br />the minimum residential and retail development that would be feasible from a market perspective. <br />Office and business park development were then added incrementally until the following thresholds <br />were reached: <br /> <br />. Any intersection approach operating at LOS E or F. <br />. Any intersection operating at LOS E or F. Individual approaches may operate at LOS F. <br />. Any intersection operating at LOS F. <br /> <br />WISP ARK Rice Creek Corporate Park <br />Draft EIS <br /> <br />December 10, 1998 <br />Page 70 <br /> <br />, <br />- <br />~ <br />~ <br />- <br />- <br />. <br />II <br />. <br />\ <br />II <br />II <br />. <br />. <br />I <br />I <br />fI <br />I <br />I <br />
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