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i <br /> i <br /> MOUNTAIN HOUSE PROPOSED AITAMONT HEIGHTS TENTATIVE MAP 4. ENVIRONMENTAL.CHECKLIST i <br /> 4.15 TRANSPORTATIONITRAFFIC <br /> a 1'essThan <br /> Potential SPIIIEIR` Significant <br /> SigmCcant. Requires . ImpacEl)ye New. New <br /> fi^• Impact' "Ada-i- it iWMi'ii6don ,Additional" 'Additloual;. <br /> Less Than ,Adequately Review No .Measures in Unpact Not:, Mwgatiaa <br /> significant Addressed in Significant Project`. Addr@ssed in- Measures <br /> Issue or No Impact SPIIIEIR lmpact' Aescription 'SP HEIR Required, . <br /> 15. TRANSPORTATION/TRAFFIC. <br /> Would the project: <br /> a) Cause an increase in traffic which is, El <br /> r <br /> substantial in relation to the existing • <br /> traffic load and capacity of the street <br /> system(i.e.,result in a substantial <br /> increase in either the number of <br /> vehicle trips,the volume to capacity <br /> ratio on roads,or congestion at. . <br /> intersections)? <br /> b) Exceed,either individually or. . �. 11 El El <br /> cumulatively,a level of service <br /> standard established by the county r <br /> congestion management agency for <br /> designated roads or highways? <br /> c) Result in a change in air traffic ■ ❑ ❑ ❑ ❑ ❑ <br /> patterns,including either an increase <br />! in traffic levels or a change in <br /> location that results insubstantial <br /> safety risks? <br /> d) Substantially increase hazards due to ■ LJ ❑ 1 El <br /> 11 <br /> a design feature(e.g.,sharp curves <br /> or dangerous intersections)or <br /> incompatible uses(e.g.,farm <br /> equipment)? <br /> e) Result in inadequate emergency ■ 1-1 F1 El <br /> access? <br /> f) Result in inadequate parking ■ F1 ❑ 11 11 11 <br /> capacity? <br /> g) Conflict with adopted polices,plans, ■ El F1 ❑ F1 F] <br /> or programs supporting alternative <br /> transportation(e.g.,bus turnouts, <br /> bicycle racks)? <br /> SETTING <br /> Current Conditions <br /> Interstate 205 (I-205) is a six-lane freeway along the south side of the Mountain House <br /> Community. It provides access to the City of Tracy and Interstate 5 to the east, and Interstate <br /> i 580 and the greater San Francisco Bay Area to the west. Mountain House Parkway is a two <br /> lane roadway extending north and south along the east side of the Mountain House <br /> Community in which the proposed Altamont Heights project is located. The 1-205/Mountain <br /> House Parkway intersection is a separated interchange with an overpass for the parkway. <br /> Construction of the improved 1-205/Mountain House Parkway interchange is underway. The <br /> interchange improvement includes a six-lane overpass and loop on-ramp from the <br /> southbound lanes of Mountain House Parkway to eastbound 1-205. The segment of <br /> 4-72 <br /> P <br /> t - <br />