Caldecott Tunnel (Calif.)

The proverbial light at the end of the tunnel became a reality this week when a giant road header chewed through the last few feet of rock blocking access between the east and west sides of the...

After eight months of intense excavation on the Caldecott Tunnel fourth bore from the east end in Orinda, miners have begun to excavate from the west end in Oakland. The two holes are anticipated to...

Five MTC-sponsored programs and projects scooped up awards at the silver anniversary of the 2014 California Transportation Foundation ceremony. The 20 awards distributed in Sacramento on May 22 honor...

Photographer Karl Nielsen has been tracking the Caldecott Fourth Bore Project since excavation first started on the massive $402.1 million project, which is funded in part by MTC. A recent...

Six concrete medallions, designed by young artists to adorn the Caldecott Tunnel Fourth Bore east and west portals, were unveiled today in the Bay Area plant where they were fabricated. The six...

Although fanfare will come at the completion of the project, actual fans are in the process of being installed inside the Caldecott Tunnel’s Fourth Bore. The 19 jet fans will run along the entirety of...