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3 CROSSTOWN CORRIDORS DESIGN VISION San Leandro Crosstown Corridors Study 3-12 Segment concept plan at Halkin Elementary, showing the potential widening with a school district easement to provide drop-off on both sides of the street with the two-way separated bike lanes. I-880 to Neptune Drive South of I-880, Williams Street is largely industrial, except for the few blocks south of Doolittle Drive. The two-way bikeway will be raised in front of industrial driveways to fully separate bicyclists from vehicular traffic. Generally, existing parking south of Westgate Parkway will be retained. The bikeway will transition to the Bay Trail at Neptune Drive. Parking is already not present on most industrial sections , and will be retained where there are single-family homes near Neptune Drive. Segment concept plan at in the industrial area where a center turn lane exists today. Driveway openings at industrial properties will be marked with green conflict striping to reduce conflicts between bikes and truck traffic. Intersection Design Intersection improvements along Williams Street focus on pedestrian safety, connections to intersecting bike routes, truck turning where needed, and safe vehicle operations. Williams Street/San Leandro Boulevard The intersection of Williams Street and San Leandro Boulevard is a highly complex intersection with multiple free right-turn slip lanes, aerial BART track structures, and an inactive railroad line owned by Union Pacific Railroad. Because of this complexity, one-way separated bike lanes are recommended until Alvarado Street, where they will transition to two-way separated bike lanes on the north side. The intersection of San Leandro Boulevard will be designed and led by the East Bay Greenway Multimodal Corridor Project (Alameda CTC) and will include: • Bike Lane Intersection: One-way separated bike lanes are proposed on San Leandro Boulevard for the East Bay Greenway Project. Intersection crossing markings with two-stage turn boxes provides space for bicyclists to make the transition between these two important corridors, including to access BART. • Signal-Controlled Slip Lane: The existing free right slip lane on the northwest corner of the intersection creates a stressful and hazardous condition for people bicycling and walking. Unfortunately, this slip lane cannot be removed due to the BART column located on the island. A raised crosswalk with is recommended to mitigate this situation and provide a safer crossing of the slip lane. • High-Visibility Ladder Striped Crosswalks, advanced stop bars, and pedestrian signal enhancements will be provided to enhance motorist awareness of the approaching crosswalk and the safety of crossing pedestrians. Signal improvements should include leading pedestrian interval to give people walking a head start. DRA F T