Alameda County — Caltrans, Alameda CTC and local partners have started construction of the Oakland Alameda Access Project. The $175 million regional investment improves safety, mobility and multimodal access between Oakland and Alameda. This effort will reduce conflicts between local and regional traffic, enhance travel between Alameda and I-880 and support long-term transportation and community goals.
Following extensive planning and community engagement, construction is beginning on upgrades that will reduce congestion, simplify freeway access and improve bicycle and pedestrian safety throughout both cities.
A major project feature is the new “horseshoe” connection providing a direct route from the Posey Tube to northbound I‑880 and 5th Street, diverting a substantial share of freeway‑bound traffic away from Chinatown and nearby neighborhoods. The project will also reconfigure and build ramps to enhance safety and reduce cut‑through traffic,
Multimodal improvements include a new dedicated bicycle and pedestrian walkway in the Webster Tube, and upgraded bike lanes and sidewalks on city streets, creating safer routes near schools, businesses and residential areas. These features will reduce neighborhood traffic impacts, improve air quality and strengthen regional mobility.
