ac transit :: AC Transit, officially known as the Alameda-Contra Costa Transit District, is a public bus transit operator based in Oakland, California, serving the East Bay region of the San Francisco Bay Area. Established in 1960 as the successor to the Key System, it is California's third-largest bus operator, managing over 600 buses across 130 to 138 routes. The agency, governed by an elected seven-member board, provides local, Transbay, and Tempo bus rapid transit services. #actransit #norca