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Posts Tagged "Caldecott Tunnel"

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Caltrans will temporarily close Bore #3 of the Caldecott Tunnel and a 3/4-mile-long stretch of westbound Highway 24 west of the tunnel in Oakland for several hours during the early morning of Sunday, March 2nd. The purpose of the closure is to facilitate the removal of 80-foot-wide highway directional sign that has been replaced by […]

On Friday, November 15th at 1:30 p.m. U.S. Department of Transportation Secretary Anthony Foxx will join project partners to celebrate the construction of the Caldecott Fourth Bore with a ribbon-cutting ceremony. The ceremony will be attended by: U.S. Secretary of Transportation Anthony Foxx Caltrans Director Malcolm Dougherty Metropolitan Transportation Commission Chair Amy Rein Worth Contra […]

Starting on Saturday, October 5 and continuing through Saturday, October 12, overnight closures are anticipated for bores #2 OR bore #3 (alternately) of the Caldecott tunnel. The Tentative Schedule for Bore #2 OR #3 Overnight Closures is as follows: Friday/Saturday Nights:  11pm to 9am Weeknights:  10pm to 4am Please note that Bore #3 closures will […]

On Tuesday, September 10, 2013, the westbound Fish Ranch Road on-ramp in Orinda, Bore Three and the westbound Caldecott Lane off-ramp in Oakland will be closed, beginning at 10:00 p.m. and reopening at 4:00 a.m. on Wednesday, September 11, 2013. In addition to the excavation of a 3,400-foot-long tunnel north of the existing three bores, […]

On Friday, September 6, 2013, the westbound Fish Ranch Road on-ramp in Orinda, Bore Three and the westbound Caldecott Lane off-ramp in Oakland will be closed, beginning at 10:00 p.m. and reopening at 9:00 a.m. on Saturday, September 7, 2013. In addition to the excavation of a 3,400-foot-long tunnel north of the existing three bores, […]

On Wednesday, September 4, 2013, the westbound Fish Ranch Road on-ramp in Orinda, Bore Three and the Caldecott Lane off-ramp in Oakland will be closed, beginning at 10 PM and reopening at 4 AM on Thursday, September 5, 2013. View the Caldecott Tunnel Traffic Advisories page

Closures this evening: On Tuesday, August 27, 2013, the westbound Fish Ranch Road on-ramp in Orinda, Bore Three and the Caldecott Lane off-ramp in Oakland will be closed, beginning at 10 PM and reopening at 4 AM on Wednesday, August 28, 2013. In addition to the excavation of a 3,400-foot-long tunnel north of the existing […]

The fourth bore of the Caldecott Tunnel  has what is called a Fire-Life-Safety System as illustrated below. Fire-Life-Safety System includes: Emergency lights Carbon monoxide and nitrogen oxide sensors monitor air quality. 19 jet fans mounted at the top can redirect air flow in either direction. 17 emergency stations equipped with a fire extinguisher, manual fire alarms […]

In November, it was announced that Metropolitan Transportation Commission Photographer Karl Nielsen’s photograph of the Caldecott Tunnel Fourth Bore breakthrough won grand prize in AASHTO’s Faces of Transportation competition. The photo took grand prize amongst 126 entries across three categories. The breakthrough occurred in November of 2011 when the east and west sides of the […]

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Image credit: David Yu 511CC’s 2012 Year in Review From the Caldecott Tunnel breakthrough to Bay Area transit agencies celebrating milestones for service, 2012 was a great year for biking, transit and transportation. Here are some of this year’s top stories. Top Tweets Some of our most popular tweets (number of link clicks) in 2012 […]

On September 21, 2012 – almost exactly two years from the start of tunneling – all excavation of the Fourth Bore was completed. An update on tunnel progress with photographs and additional information can be downloaded from our website (PDF). The tunnel now measures almost 10 meters (33 feet) high and 13 meters (43 feet) wide […]

Building a modern-day tunnel in one of the country’s most active seismic zones starts with a mass of bodies. A meeting to discuss the subject begins with four engineering experts, and a Caltrans spokesperson. What Pat Hipley, Gursharnjeet Cheema, Ben Edalati, Sean Coughlin and Ivy Morrison say about the $402 million project that promises to […]

Closures tentatively will occur Monday night, July 2 (ending in the early morning of July 3) and Thursday, July 5 (ending in the early morning of July 6).  There will be no closures on Tuesday night, July 3, or Wednesday, July 4. Overnight Westbound Fish Ranch Road Onramp Closures (in Orinda): Occurring between the hours […]

Closures tentatively will begin Monday night, June 11 and will occur nightly through Thursday, June 14 (ending in the early morning of June 15). Overnight Westbound Fish Ranch Road Onramp Closures (in Orinda): Occurring nightly between the hours of 9 p.m. and 5 a.m. Overnight Closures of right lanes on Westbound State Route 24 from […]

Below is the anticipated schedule of upcoming westbound ramp and lane closures associated with work on the Caldecott Fourth Bore Project. The Week of February 27, 2012: Closures begin Monday night, February 27 and will tentatively occur nightly through Friday, March 2. Overnight Westbound Fish Ranch Road Onramp Closures (in Orinda) Occurring nightly between the […]

Congratulations to Julie D. of Walnut Creek! She correctly answered how many vehicles travel through the Caldecott Tunnel every day – 160,000 – and won $10 to Peet’s. The Fourth Bore Project recently celebrated a major milestone with the tunnel “breakthrough”. What does this significant milestone represent for the project?

Caldecott Tunnel workers see light, BART is one step closer to San Jose, local bike shops you should check out. Read our weekly news & events roundup for Contra Costa County, East Bay & Bay Area for transit, biking and transportation. [View the story “This Week’s Headlines in Transportation and Transit: Nov. 26 – Dec. […]

Traffic closures announced around the Caldecott Tunnel. Plan accordingly.

Our weekly news & events roundup for Contra Costa County, East Bay & Bay Area for transit, biking and transportation. Get your good reads on!

Caldecott Tunnel workers keep on tunneling! Here’s the latest graphic and digging updates: Eastern side topheading: 2,529 feet West side topheading: 613 feet West side bench: 197 feet

The latest graphic and numbers are in for the Caldecott Tunnel Fourth Bore! Eastern portal: 2,426 feet on the east top heading 552 feet on the west top heading 197 feet on the west bench For more official Caldecott news, visit http://www.caldecott-tunnel.org/

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!

Below is the schedule of closures Tuesday evening – Wednesday morning (August 30 – 31) and Wednesday evening – Thursday morning (Aug. 31 – Sept. 1). These closures are associated with work on the Caldecott Fourth Bore Project. Westbound (in Oakland) Westbound Caldecott Lane Off-Ramp: Closed from 8 PM on Tuesday, 8/30 – 6 AM […]

As of August 13, the Caldecott Tunnel construction is progressing as follows: Topheading eastern portal: 2,080 feet Western portal (topheading): 359 feet Western portal (bench): 77 feet Source: http://caldecott-tunnel.org/