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4 Environmental Analysis 4.15 Transportation Bicycle Conditions According to the Alameda County Bicycle and Pedestrian Master Plan for Unincorporated Areas (Alameda Bike Plan) (Alameda County 2019), unincorporated Alameda County currently has approximately 65.8 miles of bikeways, including Class 1 (4.4 miles), Class II (40.8 miles), and Class 111 (20.6 miles). There are currently no Class IV bikeways in unincorporated Alameda County. There are no bike lanes adjacent to the Project site. In terms of future bikeways, the Alameda Bike Plan recommends an additional 200 miles of bicycle facilities that would increase the system-wide total mileage of bikeways to 265.9 miles, including Class I shared use paths (32.2 miles), Class 11 bike lanes (58.9 miles), Class III bike routes (164.8 miles), and Class IV separated bikeways (10 miles), in Alameda County. West Patterson Pass Road is designated as a proposed Class III bike boulevard or rural routes in the Alameda Bike Plan. This aligns with the plan shown in the San Joaquin County Bicycle Master Plan Update, which will provide a continuation from the Alameda County line into San Joaquin County. However, it is noted that proposed bicycle routes in the study area would typically not serve a conventional bicycle commuter function and are primarily intended for recreational and interregional access routes. 4.15.2 Regulatory Setting 4.15.2.1 Federal There are no federal regulations that apply to the Project. 4.15.2.2 State California Department of Transportation Caltrans is a state agency overseeing state highway, bridge, and rail transportation planning, construction, maintenance, and operation. Caltrans sets maximum load limits for trucks and safety requirements for oversized vehicles that operate on highways. Alameda County is under the jurisdiction of Caltrans District 4, and San Joaquin County is under the jurisdiction of Caltrans District 10. Caltrans' 2002 Guide for the Preparation of Traffic Impact Studies provides the fundamental criteria and guidelines for conducting such studies. In terms of state highway Level of Service (LOS) standards, Caltrans "endeavors to maintain a target LOS at the transition between LOS `C' and LOS `D'... on State highway facilities" (Caltrans 2002:1). However, Caltrans recognizes that this may not always be feasible and invites lead agencies to consult with the agency to determine appropriate levels of service for particular state highway facilities. It should also be noted that the intersections of West Patterson Road and the 1-580 eastbound and westbound ramps are under Caltrans jurisdiction. Griffith Energy Storage Project 4.15-4 Tetra Tech/SCH 2022120675 Draft Environmental Impact Report August 2023