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Cut-and-cover tunnel between Glendale Freeway and Angeles Crest Highway (both part of State Highway 2) in La Cañada Flintridge (Memorial Park covers the freeway) Two short tunnels (eastbound only) under SR 710 and Ventura Freeway (SR 134) in Pasadena; Griffith Park Tunnel, Vermont Canyon Road/Mount Hollywood Drive in Griffith Park, Los Angeles
The east–west tunnel is signed as a part of California State Route 24 and connects Oakland to central Contra Costa County.It is named after Thomas E. Caldecott (1878–1951), who was mayor of Berkeley in 1930–1932, a member of the Alameda County Board of Supervisors in 1933–1945, and president of Joint Highway District 13, which built the first two bores.
The Yerba Buena Tunnel carries ten lanes of Interstate 80 (I-80) on two decks, connecting the two component spans of the Bay Bridge, the western suspension span and the eastern self-anchored suspension span. At the opening of the Bay Bridge in 1936, it was the world's largest-bore tunnel.
Pages in category "Tunnels in the San Francisco Bay Area" The following 16 pages are in this category, out of 16 total. This list may not reflect recent changes. B.
The Devil's Slide tunnels, as they are usually called, are the second and third longest road tunnels in California at 4,149 ft (1,265 m) northbound, and 4,008 ft (1,222 m) southbound. By comparison the longest road tunnel currently in California, the Wawona Tunnel on Highway 41 in Yosemite National Park, is 4,233 ft (1,290 m).
The Posey Tube, completed and opened to traffic on October 27, 1928, was named after George Posey, [23] who was the Alameda County Surveyor during the tunnel's planning and construction, and also chief engineer on the construction project. [24] [25] It is the first tunnel for road traffic built using the immersed tube technique.
The tunnel bores through the Berkeley Hills east of Berkeley and Oakland a distance of 3.1 miles (5.0 km) [3] through a variety of rock strata, most of which are soft and porous. The earthquake-active Hayward Fault bisects the tunnel about 900 feet (270 m) inside the west portal (Oakland side).
The McClure Tunnel is a tunnel in Santa Monica, California, that connects Pacific Coast Highway (State Route 1) to its junction with the western terminus of the Santa Monica Freeway (Interstate 10). [ 3 ] [ 4 ] The tunnel passes through the Santa Monica ocean bluffs, [ 4 ] underneath the Colorado Avenue– Ocean Avenue intersection and close to ...