RES 95024X - Laserfiche WebLink

Action Plan -- Tri-Va!ley Action Plan Highways (Continued) Key Locations Facility: 1-580 West of Foothill at Tassajara at Altamont Existing Configuration 8 lanes 8 lanes 8 lanes Existing Volume~ 7,000 8,000 5,100 Existing V/C 0.80 0.91 0.58 2010 Expected Network -- Planned changes: SB to EB flyover at 1-680/I-580 interchange, improve interchanges to parclo design at Foolhill/San Ramon, Fallon/El Charro, Vasco Road, Greenville Road, North Livermore Avenue, and First Street, remove interchange at Portola; addition of new interchange at Isabel extension (part of the Route 84 project). 2010 Configuration 8 lanes 8 lanes 8 lanes Volume 8,800 (constrained) 8,800 (constrained) 8,800 (constrained) ' Transit Service (busedhour both di- 18 + BART 20 None rections) Transit Ridership (peak hour) 3,914 168 0 __ V/C constrajned [before Action Plan] 1.00 (1.07) 1.00 (1.23) 1.00 (1.40) (unconstrained) (1-1/2 hours of congestion) (4 hours of congestion) (5 hours of con- gestion) -- Traffic Pattern Dublin 23% Danville 0% Livermore 25% Pleasanton 24% San Ramon 6% Pleasanton 14°/, Livermore 24% Livermore 39% Danvilla 1% CCC 5% Dublin 15% San Ramon 8% Danville 1% Pleasanton 15% CCC 3% San Ramon 5% CCC 3% Dublin 9% -- Through 16% Through 28% Through 40% TSO to be achieved Los F no more than 2 LOS F no more than 2 None--not within TVTC control ' hours hours Recommended Actions None. 1. Pursue HOV lanes 1. Support major transit invest- _ Tassajara to N. Livermore. ment in corridor. 2. Pursue removal of the 2. Oppose increases in mixed- restriction on HOV lanes. flow capacity. 3. Advocate HOV lanes. N. -- Livermore to county line. 4. Pursue removal of the re- sriction on HOV lanes. Note: A deficiency plan will be required if the level of service becomes LOS F on any segment. Barton-Aschman Associates, Inc. 170