Caldecott Tunnel Progress Update | 511 Contra Costa

Caldecott Tunnel Progress Update

As of October 8, 2011. In standard units, the contractors are 2,385 feet in on the top portion from the east, and 528 feet in on the top portion from the west (almost 90%); and approximately 197 feet in on the bottom portion from the west. That’s a lot of tunneling!

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