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People who like Santa Clara VTA to Build World's Biggest Subway Tunnel in Diameter

    Keith Keloe

    Santa Clara VTA to Build World's Biggest Subway Tunnel in Diameter

    By Keith Keloe in the group Tunnel Building News (tenders, building progress news, etc) Replies (5) Last reply by Michael C. Murray
    Santa Clara Valley Transit Authority plans to build a 55,1 foot (~17 meter) in diameter subway tunnel for the BART Silicon Valley Phase II project. BART stands for 'Bay Area Rapid Transport'. Lengthwise it is not such a long line, about...

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    cover tunnel photo by: Matt Brown from London, England / CC BY

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