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FiMOUNTAIN HOUSE PROPOSED ALTAMONT HEIGHTS TENTATIVE MAP 4. ENVIRONMENTAL CHECKLIST <br /> 4.15 TRANSPORTATION/TRAFFIC <br /> Less Than <br /> Fi Potential SPIUEIR Significant <br /> Significant Requires Impact Due - New New <br /> Impact Additional to Mitigation Additional Additional <br /> Less Than Adequately Review:No Measures in Impact Not Mitigation <br /> Significant Addressed in Significant Project Addressed in Measures <br /> Issue or No Impact SPIIIEIR Impact Description SPIIIEIR Required <br /> 15. TRANSPORTATION/TRAFFIC. <br /> Would the project: <br /> a) Cause an increase in traffic which is <br /> El 11 F1 F1 <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 ■ <br /> cumulatively,a level of service 11 El 11 11 Ll <br /> standard established by the county <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 in substantial <br /> safety risks? <br /> d) Substantially increase hazards due to . ❑ ❑ ❑ ❑ ❑ <br /> a design feature(e.g.,sharp curves <br /> or dangerous intersections)or <br /> S incompatible uses(e.g.,farm <br /> equipment)? <br /> e) Result in inadequate emergency ■ ❑ 1 ❑ F-1 ❑ <br /> access? <br /> f) Result in inadequate parking ■ L 11 <br /> 11 <br /> capacity? <br /> g) Conflict with adopted polices,plans, ■ <br /> or programs supporting alternative Ll Ll 11 <br /> } transportation(e.g.,bus turnouts, <br /> bicycle racks)? <br /> Fil SETTING <br /> RCurrent Conditions <br /> Interstate 205 I-205 is a six-lane freeway along the south side of the Mountain House <br /> { ) y g <br /> Community. It provides access to the City of Tracy and Interstate 5 to the east, and Interstate <br /> 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 I-205/Mountain <br /> House Parkway intersection is a separated interchange with an overpass for the parkway. <br /> 1 Construction of the improved I-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 I-205. The segment of <br /> _ t <br /> �'s 4-72 <br />