Caldecott Tunnel Progress Update | 511 Contra Costa

Caldecott Tunnel Progress Update

571.5 meters down, 418.5 meters to go.
The new Caldecott Tunnel is over 57 percent done!
The geological wonders continue.┬áRead about the fossils that Caltrans is digging up in the remaining Sobrante and Claremont sections, or the special precautions crews must take as they dig through the “gasey” rock.
More interested in how the project will continue to affect your commute? Visit the Official Fourth Bore Project website, or keep following 511CC on Twitter for updates.

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