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n <br /> 1 k INMALSTUDY/ENVIRONMENTAL DOCUMENTATION <br /> j ISAASSOC[ATES,INC. SrOCKTON METROPOLITAN AIRPORT <br /> SPECIAL.PURPOSE PIAN <br /> JULY 8000 <br /> 1 <br /> t <br /> Mitigation Measures <br /> Traff-1 <br /> Although the traffic analysis was solely based on the PM peak hour traffic,AM peak <br /> hour traffic conditions were investigated at all the study intersections. At impacted <br /> intersections,mitigation is provided for the PM peak hour traffic conditions. <br /> i Mitigation for complementary movements is also provided to account for the reverse <br /> effects of the AM peak hour traffic conditions. To mitigate for the intersections that <br /> exceed the LOS standards,the following improvements are required under the 2015 <br /> project condition. Mitigation requirements for year 2015 conditions are illustrated in <br /> Figure 7. <br /> Arch=Airport! antas Lane <br /> Westbound-provide two additional through lanes, make right-turn exclusive. <br /> Eastbound-provide one additional through lane. <br /> Northbound-provide two exclusive right-turn lanes <br /> 4 Arch-Air)ort/Giannecchini <br /> Westbound-provide three through lanes, make right-turn exclusive. <br /> Eastbound-provide three through lanes, make right-turn exclusive. <br /> Arch-AirportlPock Lane <br /> Westbound-provide three through lanes, make right-turn exclusive. <br /> Eastbound-add one through lane. <br /> Z4z=ur <br /> t <br /> through lanes, make right-turn exclusive. <br /> Eastbound-provide four through lanes, make right-turn exclusive. <br /> Northbound-provide one through lane, exclusive right-turn lane. <br /> Arch-AirportlAirp ort Way <br /> Westbound-provide two additional through lanes. <br /> Eastbound-provide one additional through lane. <br /> Northbound-provide hvo through lanes and two exclusive right-turn lanes. <br /> Arch-Suerry Road/!-5 NB Ramps <br /> Westbound-make right-turn movement free. <br /> Airport Way/Dixon Street <br /> 1 Northbound-add one through lane. <br /> Southbound-provide three through lanes, right-turn exclusive lane. <br /> Westbound-make right-turn movement free. <br /> With the above mitigation,all of the impacted intersections would operate at <br /> acceptable LOS "D" and a V/C ratio of less than 1.0 <br /> � The San Joaquin County standard requires that all intersections operating at LOS "F" <br /> under base conditions,and deteriorating further to a worse LOS "F" in the project <br /> conditions,should be mitigated back to the base LOS "F" conditions. This applies to <br /> the following intersections: <br /> l I <br /> 7/20/00(P:15]C0301EnvirOnmentallinitiak study.wpd) 46 <br />