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Level of Impact <br />After Mitigation <br />Less than <br />Significant <br />Less than <br />Significant <br />Less than <br />Significant <br />- 2 LJ - <br />13 § G ƒ <br />=40 -fk27=fes c <br />q 2 � 2-= ks E It k <br />--/p§¥2�2E§ U <br />&220-- 0 CD CD % <br />CO § 0 £ % a u. <br />Physical Improvement <br />Install traffic signal. <br />Construct southbound left -turn lane to Commerce Drive. <br />Install traffic signal. <br />1. Third eastbound left -tum lane to Johnson Drive plus <br />additional northbound receiving lane on Johnson Drive. <br />2. Additional southbound right -tum lane on Johnson Drive. <br />3. Rebuild (widen) Johnson Drive to six lanes (3 southbound <br />lanes, 3 northbound lanes) for a minimum of 700 feet. <br />1. Stoneridge Drive at northbound 1-680 off -ramp: Provide <br />northbound right -tum overlap... phase. <br />........................................................... <br />................. <br />2. Second southbound left -turn lane from Johnson Drive to <br />Stoneridge Drive. <br />3. Extend westbound right -turn pocket onto Johnson Drive <br />approximately 800 feet east (widen Stoneridge Drive, <br />convert resulting lane into through -right -shared lane). <br />4. Second on-ramp lane to northbound 1-680 from <br />westbound Stoneridge Drive approach (lanes will merge; <br />lane drop would occur over a distance of at least 800 feet; <br />bridge reconstruction and widening). <br />Mitigation <br />Measure <br />ea a— <br />a-6 4 1— <br />6 <br />4 <br />.- <br />4 <br />6 <br />Location Affected <br />Commerce Drive at Johnson Drive Intersection. The <br />addition of vehicle trips generated by Phase 1 of the EDZ <br />during the PM peak hour would worsen the side street <br />movement at this intersection to LOS F; this condition would <br />be further worsened with full EDZ buildout conditions. (Impact <br />4.D -1a) <br />Johnson Drive at Owens Drive (North) Intersection. The <br />addition of vehicle trips generated by Phase 1 of the EDZ <br />during the Saturday peak hour would degrade the service <br />level at this intersection from LOS C to LOS E. Conditions <br />would be slightly exacerbated with full EDZ buildout <br />conditions (i.e., conditions would worsen but LOS would not <br />be degraded from E to F). (Impact 4.D -1b) <br />Johnson Drive at Stoneridge Drive Intersection. The <br />addition of vehicle trips generated by full buildout of the EDZ <br />during the PM peak hour would worsen conditions at this <br />intersection from LOS D to LOS E. This impact would not <br />occur under conditions caused by Phase I of the EDZ. <br />(Impact 4.D -1c) <br />Stoneridge Drive (Queue Spillback). The addition of <br />vehicle trips generated by Phase I and full buildout of the <br />EDZ would result in vehicle queue spillback from Stoneridge <br />Drive onto adjacent intersections and the freeway mainline. <br />(Impact 4.D -1d): <br />1. Vehicle queue spillback from the 1-680 northbound off- <br />ramp <br />fframp and southbound off ramp onto the freeway <br />mainline. <br />2. Vehicle queue spillback impeding through traffic on <br />Stoneridge Drive and blocking access to driveways <br />along Johnson Drive. <br />E <br />£ <br />.. o » coe <br />—2>,� 15 <br />2 2/ 0 2 <br />4 k 2 J � & 4, go. <br />v�k@»v®%�a� <br />£kk/w�\.2. .8 <br />