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Key System
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The Key System was a privately owned company that provided mass transit in the cities of Oakland, Berkeley, Alameda, Emeryville, Piedmont, San Leandro, Richmond, Albany, and El Cerrito in the eastern
The original San Francisco, Oakland, and San Jose Railway logo, branded as the Key Route
The original San Francisco, Oakland, and San Jose Railway logo, branded as the Key Route
Key Pier, 1909
Key Pier, 1909
A Key System train in Emeryville, 1909, heading west to the Mole, entering the underpass ("subway") under the mainline of the Southern Pacific under c
A Key System train in Emeryville, 1909, heading west to the Mole, entering the underpass ("subway") under the mainline of the Southern Pacific under construction.
The new ferry terminal on the Key System Mole in 1933. The old ferry terminal and the end of the mole had been destroyed by a fire and explosion earli
The new ferry terminal on the Key System Mole in 1933. The old ferry terminal and the end of the mole had been destroyed by a fire and explosion earlier in the year.
San Francisco–Oakland Bay Bridge
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The San Francisco–Oakland Bay Bridge, commonly referred to as the Bay Bridge, is a complex of bridges spanning San Francisco Bay in California. As part of Interstate 80 and the direct road between San
Key System
…Bay, and commuter rail and bus lines connecting the East Bay to San Francisco by a ferry pier on San Francisco Bay, later via the lower deck of the Bay Bridge. At its height during the 1940s, the Key System had over 66 miles (106 km) of track. The local streetcars were discontinued in 1948 and the commuter…
The Western section of the Bay Bridge, seen in 2022. Part of the eastern section can be seen beyond Yerba Buena Island to the left.
The Western section of the Bay Bridge, seen in 2022. Part of the eastern section can be seen beyond Yerba Buena Island to the left.
The eastern span of the bridge, as viewed from Yerba Buena Island, photographed in 2025.
The eastern span of the bridge, as viewed from Yerba Buena Island, photographed in 2025.
Sketch of the proposed "Rush San Francisco Trans-Bay Suspension Bridge" (1913)
Sketch of the proposed "Rush San Francisco Trans-Bay Suspension Bridge" (1913)
Preliminary layout studies for the bridge, with Figures "H", and "P" selected as the final construction choice for western and eastern sections
Preliminary layout studies for the bridge, with Figures "H", and "P" selected as the final construction choice for western and eastern sections