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EXHIBIT A <br />SCOPE OF WORK AND <br />MILESTONE SCHEDULE <br />SCOPE OF WORK FOR THE DEVELOPMENT OF THE TRI-VALLEY EMMW2 TRAVEL <br />DEMAND FORECASTING MODEL <br />OBJECTIVE <br />CONSULTANT shall develop a validated Tri-Valley EN AF-12 Travel Demand Forecasting Model (Tri- <br />Valley Model)_ The Tri--Valley Model shall have an appropriate level of detail to adequately address the <br />needs of the counties and the Authority, as well as of each individual city, to conduct major traffic impact <br />studies, environmental analyses, evaluate alternative transportation improvement strategies, and support <br />the requirrments of Propositions 111 and 108_ I - <br />The Tri-Valley Model will be a nested subset of the Alameda and Contra Costa Countywide models, <br />which, in turn, are a subset of the regional MTC travel demand model system_ The Tri-Valley Model will <br />be consistent with the MM models, as well as the Contra Costa countywide and subreo onal models and <br />Alameda County models_ <br />The Tri-Valley Model shall be capable of projecting AM and PM peak hour, as well as ADT, forecasts <br />for the highway network, including major intersection taming movements for 1990 (existing conditions) <br />and the forecast years 2000 and 2010_ <br />APPROACH AND METHODOLOGY <br />CONSULTANT shalldevelop the Tri-Valley Model from the existing Contra Costa and Alameda Cow-uo; <br />ENII4W2 models. Both of these models have been developed to nest within the MTC regional model and <br />data base. CONSULTANT shall "focus" model refinement on the "subarea" called the Tri-Valley, which <br />includes the Town of Danville, the Cities of Livermore, San Ramon, Dublin, and Pleasanton, their spheres <br />of influence, and selected unincorporated areas of Alameda.and Contra Costa Counties, including Alamo <br />and the Tassajara and Dougherty Valleys, but not Castro Valley_ <br />CONSULTANT shall develop a substantially more detailed zone system and roadway network within and <br />immediately bordering this subarea. Tri-Valley Model shall provide significant additional detail than is <br />currently available at the countywide level and shall include minor arterials, selected collectors, and <br />turning movements at all major intersections for which counts are available_ The Tri-Valley Model shall <br />provide a zonal level of detail equal to or greater than the existing TJKM Tri-Valley model or a level of <br />detail mutually agreed upon with the jurisdictions_ <br />Cooperative Agreement No. 45.01.00 Exhibit A <br />Between Contra Costa Transportation Authority and Page 1 of 13 <br />County of Alameda, Pleasanton, Dublin, and Livermore <br />