Freeway (after a former California State assemblyperson and senator-the stretch itself lying between the cities of Castro Valley and Dublin), the William Elton 'Brownie' Brown Freeway (after a Tracy resident instrumental in determining the route of I-5 through the San Joaquin Valley), the Sgt.
Knox Freeway (after a former speaker pro tempore of the California State Assembly), the Eastshore Freeway (after its location on San Francisco Bay), the Arthur H. I-580 provides a connection from the Bay Area to the southern San Joaquin Valley and Southern California via I-5, as I-5 bypasses the Bay Area to the east.Ī portion of I-580 is called the MacArthur Freeway, after General Douglas MacArthur. I-580 forms a concurrency with I-80 between Albany and Oakland, the latter of which is the location of the MacArthur Maze interchange immediately east of the San Francisco–Oakland Bay Bridge. The heavily traveled spur route of I-80 runs from US Route 101 (US 101) in San Rafael in the San Francisco Bay Area to I-5 at a point outside the southern city limits of Tracy in the Central Valley. Interstate 580 ( I-580) is an approximately 76-mile-long (122 km) east–west auxiliary Interstate Highway in Northern California. Marin, Contra Costa, Alameda, San Joaquin
No trucks over 4.5 short tons (4.1 t 4.0 long tons) through Oakland William Elton 'Brownie' Brown Freeway, and the MacArthur Freeway through Oakland
