$402M fourth bore of Caldecott Tunnel to open by year's end

01/21/2013 | Contra Costa Times (Walnut Creek, Calif.)

Crews are putting the finishing touches on the $402 million fourth bore of the Caldecott Tunnel in California, and the new two-lane tunnel is expected to open to traffic late this year. "You [will] see a big transformation in the fourth bore in the last half [of the] year," Contra Costa Transportation Authority Executive Director Randy Iwasaki said. Already, concrete is being poured almost daily, although the concrete Art Deco walls at the tunnel's entrance have yet to be formed.

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Contra Costa Times (Walnut Creek, Calif.)

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