• The Posey and Webster Street Tubes are two parallel underwater tunnels connecting the cities of Oakland and Alameda, California, running beneath the Oakland Estuary.
  • Posey and Webster Street tubes. Coordinates: 37°47′15″N 122°16′36″W / 37.787535°N 122.276628°W / 37.787535; -122.276628.
  • In 1963 The Webster Street Tube was completed using the same design technique as the Posey Tube.8 It was a Ben C. Gerwick, Inc. construction joint venture.7.
  • The Posey and Webster Street Tubes are two parallel underwater tunnels connecting the cities of Oakland and Alameda, California, running beneath the Oakland...
  • The Posey and Webster Street Tubes are two parallel underwater tunnels connecting the cities of Oakland and Alameda, California, running beneath the Oakland...
  • The thumbnail is of the Posey Tube. The Webster Tube is just to the west. ... Nearby Maps (50 km): 3,960. Posey and Webster Street Tubes.
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  • This paper presents state-of-the art and practice for an innovative seismic retrofit of the Posey and Webster Street Tubes in the San Francisco Bay area.
  • Photo by mini. Webster St. ... The Posey and Webster Street tubes are two parellel tunnels that connect Alameda to Oakland.
  • The Posey tube, opened in 1928, carries Oakland-bound traffic under the Estuary, while the Webster tube carries traffic bound for Alameda.
  • The Posey tube and the Webster Street tube are two parallel underwater tunnels connecting the cities of Oakland and Alameda, California...
  • June 2014 (37.79124 Degrees, -122.27578 Degrees) Posey and Webster Street Tubes Before we leave Alameda Island I wanted to mention the last ...
  • In 1963, with the completion of the Webster Street Tube, the Posey Tube was converted so that it was used only for northbound traffic from Alameda to Oakland.