1998 Planning Commission Packets

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Mr. Jim Ericson Februsry �3, i998 Page 2 analysis section. Of the 145 trip ends ge�eraced by �Walgreen's, we calculate that 29 will be pass by trips and the remaining 116 will be new trips. In z��viewing the distributioz� and assignment of the newiy generated tra�c, we noted a error on the bottom portion of Figure 3 of khe repart. At the T.�. 10 access af Walgreen's, the westbonnd right turn movement is sho�wn as 144. This number should be 14. Level of Service With tkze chaage in the trip generation rate and the pass by percentage, the Walgreen's developanent is ex�ected to inc�ease thc volume through the intezsection of T.H. 10 and County Road I by five vehicles per cycle (oz� average) durzng the p.m. peak hour. This zs slighdy higher thac� ttle three vehicles per hour stated in the $enshoof re�ort. The net result is that ihere is a slight increase xn delay fior sozne of the movenaents and the interseciion aw whole but xt does not change the overall 1��; �;l of service (L05), As stated in the Benshoof report, the intersection wi11 operate ae an overcap��iry level (LOS F) and the addittiona�l traffic is not expected to have a signifiea.nt iznpact on the o��<sration of the inrersection. To vez�fy the imp�ied assumptior� that develogzneat was not dri�ing the overcapacity situation at the intersection, we reviewed the level of service at Che intersectio� with 1997 background traffc oniy, 1998 batkgzound �c only and X999 background uaffie using an annual growthrate of 2.5 �ercent. This ana��sis showed that the intersection would begin to opezate at an overcapacity level in 1999 even without derrelopment due to the laz'ge northbound thxough movenaent on T.I�_ 10. A summazy of this a.nalysis is attached. We reviewed the pot�ntial o� adding capaciry (lanes� to tl�e County Road I approa�hes of the intersection. Adding lanes at these approaches wquld not sign�ficantly improve [he level of service at the inte�section. As noted in the Benshoof report, the T:H. 118/610 connector should help to �.11eviate congestion at this intersection. We estimated that a 10 percent reduction im the T.H. 10 through traffic would bri�ng the intersection out o�F an overcapaeiry situatiozi. We also reviewed the storage capacity for the westbound Counry I approach. 'We estimate that 200 feet o� stora.ge for queued vehicles is needed. Since the Walgreen's access on Counry Road I is located app�oximately 200 feet east of r1�e T.H. 10 i�ntersection, chere may be a few cycles in the p.m. peak hour where the queue backs up to but not th�ough thc Walgreen's access. Site Plan Review We have reviewed the site plaa and noted a few items: A place for trash collection is not shown and could not be evaluated. The Coun�y Road I access to the site sho�vs the two lanes for outbound traffic as one through and one share left-turn and through lane. The lanes for the ""I"' ic�tersection should be designated as one left turn only lanc and one right turn only aane. �:00�1 Si'�C f1CT7 fiR6 7TQ Vi7.7 4T'pT T?T.T 4R/PT/7n