October 14, 2010. TRANSPAC, along with 511 Contra Costa staff got a glimpse of the Caldecott Tunnel fourth bore construction site. Thus far they have drilled a hole 151 feet deep.
Here are some pictures that we took along the tour:
October 14, 2010. TRANSPAC, along with 511 Contra Costa staff got a glimpse of the Caldecott Tunnel fourth bore construction site. Thus far they have drilled a hole 151 feet deep.
Here are some pictures that we took along the tour:
