511 Contra Costa

Are you in one of the 170,000 vehicles that passes across I-680 every day? Is your suspension still reeling from the potholes and cracks? You’re in luck.

Caltrans began work in January rehabilitating 12.8 miles of freeway from Alcosta to Rudgear. Caltrans is also expanding the HOV lane on the southbound side about Keep reading >>

Construction on the fourth bore is expected to enter a new phase this week with assembly of the road header on the Orinda side in preparation to begin boring a hole in the mountain. Jeff Weiss, Caltrans spokesman said, “There’s still a lot of work to be done building the Keep reading >>

Construction crews are busy at work on the east and west sides of the tunnel, building the portal walls and retaining walls to hold back the hillsides. Most of this work has to be completed before excavation of the tunnel can actually begin.

According to caldecott-tunnel.org, each portal wall Keep reading >>

Work crews closed one lane of the Caldecott Lane just west of the Kay Street overpass on June 4th from 7pm to 11am on June 5th. The contractor, according to caldecottt-tunnel.org, was building a 240-foot right turn pocket at the southwest corner of Caldecott Lane and Kay Street. Caltrans Keep reading >>

How has the construction affected traffic around the Caldecott Tunnel? Is it about the same as before? Have you noticed more carpooling? Please leave a comment below. Keep reading >>

It looks as if they have the sound walls up. The sound walls looked like dinosaur bones poking out of the ground when they were first going in.  According to cadecott-tunnel.org the sound walls are 1000 feet long, 30 feet high and will stand between the construction staging area at Keep reading >>

Update: Check out our updated Bay Bridge info page for updated info.

Update: A few pieces of the Bay Bridge snapped and fell onto the upper deck of the Eastern span of the Bay Bridge. As a result, the Bay Bridge is closed indefinitely:

BART will operate longer trains during Keep reading >>

Treat Blvd Pedestrian Bridge Overcrossing Construction Updates.
October 1, 2009: As the first in an ongoing series, we’re excited to show you pictures of the construction progress of the new Treat Boulevard Pedestrian Overcrossing in Walnut Creek. The bridge will be a continuation of the Iron Horse Trail. Contractors seem Keep reading >>

Beginning Monday, June 1, 2009  work will begin on the El Portal Drive Improvement Project.  The project area involves El Portal Drive betwen the I-80 overcrossing to the westbound I-80 on-ramp near the Shell Gas Station.

Both lanes will remain open however  expect delays and consider using alternate routes.  Completion date Keep reading >>