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Posts Tagged "caltrans"

The giant roadheader made a small ceremonial cut Aug. 8 for a public event, but it had to back out and wait for crews to use torches and other tools to cut out metal reinforcement embedded into the hill to stabilize the east portal of the tunnel. The giant roadheader, which has a rotating cutter […]

Caltrans will close the connector between westbound Route 24 and Northbound Highway 13 beginning at 5PM on Friday, August 27 until Monday, August 30 at 5AM. Traffic seeking northbound Hwy 13 will be detoured onto the Caldecott Lane off-ramp. Signs will guide motorists to northbound Hwy 13. Source: • Caldecott-tunnel.org

Caltrans contractors plan to start carving out the fouth bore of the Caldecott Tunnel on Monday. The roadheader that is being used for the project is a 130-ton, 54-foot-long and 14-foot-tall excavation device with a rotating cutter mounted on a boom. The roadheader will dig the 3,389-foot-long bore that will add two freeway lanes. According […]

According to Caldecott-tunnel.org, Caltrans will close the connector between westbound Route 24 and Northbound Highway 13 beginning at 5 PM on Friday- July 30 until Monday-August 2 at 5 AM. Traffic seeking northbound Hwy 13 will be detoured onto the Caldecott Lane off-ramp. Signs will guide motorists to northbound Hwy 13. Source: • Caldecott-tunnel.org

According to mercurynews.com, fossil hunter Joshua Wyatt recently found the imprint of an avocado tree leaf- about 10 million years old- preserved in smooth rock like leaves flattened between layers of wax paper. The excavation of the fourth bore of the Caldecott Tunnel has opened a door for paleontologists to search for fossils expected to […]

July 6-8 the far right lane (#4) of westbound Route 24 will be closed. Work crews will begin the closure at 7:30 PM and full closure will take place at 8:30 PM. The closure will take place until 4:00 AM. During those nights, the Wilder off-ramp will be closed from 9:30 PM until 5:00 AM. […]

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 portal walls and retaining walls. […]

According to caldecott-tunnel.org, Caltrans crews added sections of concrete barrier to the southern edge of the pavement on Fish Ranch Road, adjacent to the area where the new retaining wall is being built. The barrier will prevent errant vehicles from traveling off the pavement over the steep hillside. Source: • www.caldecott-tunnel.org

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 and the contractor decided to do […]

Caltrans began tree removal on the Caldecott Fourth Bore Project the week of February 14, 2010. The trees were removed to provide space to build the tunnel, retaining walls, sound walls and for creating areas for project staging.

Local News Caltrans director Randy Iwasaki to become chief of Contra Costa Transportation Authority The County Connection to change several schedules beginning this Sunday, Mar. 21, 2010 BART track closures between Walnut Creek & Pleasant Hill scheduled for March 26-28, 2010 New massive freeway project is likely to slow down traffic coming off Richmond-San Rafael […]

Happy Friday! If you haven’t been following 511CC on Twitter, here’s a summary of this week’s transit news affecting Contra Costa County and the Bay Area: BART will begin charging a daily parking fee on Feb. 22 at Pleasant Hill Federal money was approved for a new state route linking Contra Costa and San Joaquin […]

After decades of waiting, commuters can celebrate the groundbreaking of construction on the Caldecott Tunnel Fourth Bore, scheduled for this Friday at 11 am. The project aims to alleviate well-known traffic congestion along the bottleneck between Orinda and Oakland by creating a fourth bore in the existing Caldecott Tunnel. The estimated $420 million project cost […]

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Photo courtesy of Caltrans. Were you stuck on the bay bridge traffic this week… yet again? If you were commuting at night, gridlock was most likely due to the lane closures that began on Friday, December 11. (However–come to think of it–we’re not convinced it wasn’t also Lady Gaga and the 49ers). Why the bottleneck? […]

Caldecott Tunnel Expansion

This Thursday, Dec. 10 at 7 PM, Caltrans will host a community meeting on the upcoming construction of the 4th bore of  the Caldecott Tunnel. Caltrans officials will be on hand to answer questions from the community regarding construction, schedule, time line and community impact. The meeting will be held at Orinda Community Center, 28 […]