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People who like VTA Backs off from large bore design for BART Silicon Valley Phase II project. "Too risky & expensive"
VTA Backs off from large bore design for BART Silicon Valley Phase II project. "Too risky & expensive"
By Keith Keloe in the group Tunnel Building News (tenders, building progress news, etc) Replies (9) Last reply by Simon Gent
I had recently written about Santa Clara Valley Transportation Authority's plans to build the world's largest subway tunnel in diameter. VTA planned to go for a 55.1 foot (~17 meter) in diameter tunnel design. The main aim of this...
A. Luthra liked this
cover tunnel photo by: Matt Brown from London, England / CC BY
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