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Plan Alternatives <br /> <br /> Maximum Highway Investment <br /> <br /> The purpose of testing an alternative that maximized highway investment was to see <br /> if, regar~ess of cost, it would be possible for the Tri-Valley to build its way out of the <br /> problem of trailtic congestion. All physically and potentially politically acceptable road <br /> improvements were included. The assumed maximum highway network changes are <br /> shown on Figure 6-1. Expenditures for these improvements are summarized, by. <br /> improvement, in Table 6-1. Funding levels for the maximum highway investment <br /> would require an additional $598 million beyond that required for the ass,,med <br /> baseline improvements. Approximately $547 million of this amount would be <br /> unfunded. <br /> <br /> These changes included substantial capital expenditures on new roads and road <br /> widening projects throughout the Tri Valley area. The additional road capacity would <br /> alleviate, to some degree, congestion on arterial corridors in Tri Valley. The gateways <br /> to Tri Valley (I-680, Altamont Pass and Vasco Road) would continue to be con~:~-:,ted <br /> during peak conditions. Figure 6-2 shows the congested routes with the maxi~ <br /> highway alternative. <br /> <br /> Maximum Transit Investment <br /> <br /> This alternative was to test the ability of transit systems to relieve highway conges- <br /> tion. Transit systems offering travel times superior to automobiles were included in <br /> the major corridors. Potential transit improvements are shown on Figures 6-3 and 6-4. ' <br /> Cost estimates for t;"~e maximum transit investment is summarized in Table 6-2. The <br /> maximum transit investment would require an additional $1.136 billion in capital and <br /> operating costs through 2010 beyond the baseline improvements. None of this nmount - <br /> is funded. <br /> <br /> Potential projects include BART service extended to Eastern Livemore, Altsmont <br /> Pass Rail service from Stockton to San Jose, and north/south corridor priority express <br /> bus transit. Extensive bus service feeding the proposed rail stations was also assumed. <br /> The additional system capacity would not eliminate congestion on either arterial <br /> corridors or the gateways to Tri-Valley (I-680, Altamont Pass and Vasco Road). <br /> Figure 6-5 shows the congested routes with the maximuP. transit alternative. <br /> <br />Barton-Aschman Associates, Inc. 104 -- <br /> <br /> <br />