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Recommended Improvement Plan ' <br /> <br /> Road Improvement Plan <br /> <br /> The Tri-Valley Transportation Plan includes many road improvement projects. These <br /> projects were developed by the member jurisdictions of the TVTC. Projects range from <br /> intersection modifications to freeway improvements and new roads. The resulting <br /> system would provide good circulation within the Tri-Valley area. Figure 7-1 shows the <br /> planned roadway system. Figure 5-2 in Chapter 5 shows the planned changes to <br /> freeway interchanges. Details on planned intersection lane configurations are included <br /> in the Technical Appendix. A detailed listing of the planned roadway improvements is <br /> shown in Table 7-1. <br /> <br /> Critical Regional Projects <br /> <br /> Since most arterial improvements and extensions are local-serving and will be paid for <br /> by new development, the financial plan needs to focus on the funding of the larger <br /> projects with regional significance. The TVTC developed the following list of criteria to <br /> define projects for inclusion in a potential regional impact fee program: <br /> <br /> 1. The project must involve a route of regional significance as def'med by the TVTC <br /> for the transportation plan (see Figure 1-1). <br /> <br /> 2. Transit projects can be included. <br /> <br /> 3. The project must be identified in an adopted plan. <br /> <br /> 4. The project would not be built as a direct developer improvement. <br /> <br /> While not a part of the originally adopted list, a fifth criterion discussed by the 'TVTC <br /> is that the project should serve more than one jurisdiction. <br /> <br /> By these criteria, the following planned projects would qualify as being regionally <br /> significant. These have been preliminarily determined to be of highest priority for <br /> funding due to their demonstrated need in meeting the TSOs through 2010. This list <br /> may be modified in subsequent studies. <br /> <br /> 1. 1-580/I-680 Interchange. Southbound-to-eastbound flyover. <br /> <br /> 2. Route 84. Four lanes on Vallecitos Road, six lanes on Isabel Avenue, including <br /> interchange improvement at 1-580/Vallecitos and a new interchange at <br /> 1-580/Isabel. <br /> <br /> 3. 1-680 Auxiliary Lanes. From Diablo Road to Bollinger Canyon Road. <br /> <br /> 4. BART Extension. From Castro Valley to East Dublin, including two stations in the <br /> Tri-Valley. <br /> <br />Barton-Aschman Associates, Inc. 133 ~ <br /> <br /> <br />