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Valley Link Alignment Options Under Consideration <br /> BART Connection Options <br /> CAPITAL COST <br /> OPTION OPTION CHARACTERISTICS (FY17) <br /> C <br /> O <br /> At-grade station with side platform allowing cross platform <br /> Existing Dublin/ <br /> Pleasanton BART Station BART transfers in the peak direction of travel. Realignment <br /> I of westbound 1-580 wih reduced inside shoulder width and $22 million <br /> E (At Grade Valley Link express lane buffer, and reduced lane and shoulder width <br /> 0 Station) <br /> 0 of Scarlett Court(subject to Caltrans/City approval). <br /> oc <br /> Existing Dublin/Pleasanton Aerial station above existing BART platform supported by <br /> BART Station (Aerial Valley $30 million <br /> columns in 1-580 shoulders. <br /> Link Station) <br /> Extension of BART to BART extended to Isabel as envisioned in the BART EIR. $1.3 billion* <br /> Isabel <br /> Isabel BART Station (Aerial Aerial station above Isabel Avenue and Isabel BART Station <br /> Valley Link Station) shown in the BART to Livermore Extension EIR. $46 million <br /> *BART EIR cost to extend BART to Isabel in FY16 dollars <br /> 1-580 Alignment and Profile <br /> • The Valley Link alignment would be in the median of 1-580 at-grade with the freeway. <br /> • Passing sidings would be located between freeway interchanges to minimize impacts of <br /> interchange structures. <br /> • 1-580 would be widened to maintain the existing lane configuration. <br /> 1-580 Alignment and Profile Options <br /> OPTION OPTION CHARACTERISTICS CAPITAL COST(FY17) <br /> c <br /> o <br /> as <br /> Valley Link at-grade with adjacent freeway traffic. <br /> o At-Grade Passing sidings between freeway interchanges. 1-580 $887 million <br /> Ewidening to maintain existing lane configuration. <br /> 0 <br /> ca <br /> a> <br /> ce <br /> Valley Link elevated above 1-580 median and above <br /> Aerial freeway interchanges. Double track system supported $1,244 million <br /> by columns in freeway median. <br /> Tri-Valley. San Joaquin Valley <br /> /'®� REGIONAL RAILJ <br /> AUTHORITY <br />