Heading eastward through the light industrial portion of eastern San Rafael, I-580 provides access to San Quentin State Prison at the eastern tip of land before joining the Richmond–San Rafael Bridge to cross San Francisco Bay.

The interchange with US 101 is incomplete, only allowing continuous travel from southbound US 101 to eastbound I-580 (via exit 451B) and from westbound I-580 to northbound US 101. The western terminus of I-580 is roughly 10 miles (16 km) north of San Francisco in the city of San Rafael ( Marin County), at the junction with US 101. Route description On the Richmond–San Rafael Bridge BART runs in the median through Castro Valley Aerial view looking east from above Castro Valley toward Dublin Looking west at Palomares Road at the west end of Dublin Canyon At the Altamont Pass wind farm Westbound at Altamont Pass between Livermore and Tracy Emerging in the Central Valley near Tracy

Miller Memorial Highway (after the Lodi resident and California Highway Patrol officer killed while chasing down a DUI driver). Daniel Sakai Memorial Highway (after the Castro Valley resident and Oakland SWAT officer killed in the 2009 shootings of Oakland police officers), and the John P. 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

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