Alameda County Congestion Management Agency
Project management, environmental planning coordination, final design, and construction support
Widen and improve approximately 1.5 miles of Interstate 880 to extend the Southbound HOV lane facility from Marina Boulevard to just north of Davis Street in the City of San Leandro. The project includes reconstruction of the Marina Boulevard and Davis Street interchanges with overcrossings raised approximately 8 feet to provide standard vertical clearance. The project also includes two bridge replacements, 2,800 feet of retaining walls, ramp metering and TOS improvements, utility relocations, right-of-way engineering, and local street improvements.