Commuters – New Lanes to Ease I-680 Traffic in Danville, San Ramon

June 25, 2014 23:35 pm · 14 comments

Motorists on Interstate-680 in Danville and San Ramon will soon have an easier, safer time merging onto the busy freeway.

Two new 2-mile-long merging lanes will soon open in each direction of I-680 through Danville and parts of San Ramon, according to the Contra Costa Transportation Authority, which partnered with Caltrans on the project.

Dubbed “auxiliary lanes,” the lanes stretch from Sycamore Valley Road in Danville to Crow Canyon Road in San Ramon. The northbound lane is set to open on Friday and the southbound portion will open on July 1, according to the CCTA.

The additional lanes are designed so that motorists can merge more safely into traffic while entering I-680 in the highly trafficked Danville-San Ramon area.

The $34.3 million auxiliary lanes are the final part of a three-phase, eight-year project meant to ease congestion and boost safety on that stretch of I-680.

“Completion of this final segment helps improve mobility by allowing traffic to safely enter and exit with easier mobility onto the
freeway,” Caltrans District 4 Director Bijan Sartipi said.

Federal funding for the project covered about $21 million, area developer fees accounted for about $11 million, while the state and a county half-cent transportation sales tax each provided about $1 million for the project, according to the CCTA.

About three weeks of night work in the freeway’s median lanes will still need to be completed this month, and should be done by July 25, according to the transportation authority.

Killjoy June 26, 2014 at 5:12 AM

Get ready for bigger bottlenecks in that area. People will get out of their lanes, and try to scoot forward a couple of car lengths, and “try” to merge back in.

Jerk June 26, 2014 at 5:58 AM

680 SB = JOKE

Claycord bro June 26, 2014 at 7:38 AM

How about fixing the merge at Livorna, that’s the real problem.

$34 million for shaving 2 minutes? June 26, 2014 at 8:12 AM

’nuff said.

Beacon June 26, 2014 at 8:13 AM

This will benefit the residents of Danville and San Ramon, but it won’t do much for the residents of Claycord. NB traffic currently stops at Crow Canyon. Now it will stop at or before Sycamore Valley. Treat Blvd is the big problem that needs to be fixed.

Anon June 26, 2014 at 9:20 AM

I am a Concord resident who will definitely benefit, been waiting for the lanes to open. Yes, now Sycamore area may be the slow down, along with the usual “Y”. Once you hit Treat, traffic seems to move pretty well. Many times I continue on 680 NB if Treat Exit is backed up. Not much available land along the freeways to expand in this area, businesses/Bart right up to Freeway 🙁

Pyrrhus June 26, 2014 at 11:44 AM

I wish we could have Bart going down all of 680 to San Jose. With stops at San Ramon, Dublin, Fremont, and Milpitas. That would ease traffic so much. Unfortunately, it is expensive and I have a feeling residents of the 680 corridor wouldn’t approve any bonds or taxes to fund it.

RanchgirlCA June 26, 2014 at 3:41 PM

I drive this every single day. A 2 minute savings? Fire whoever funded this idea. The only thing this will do is, possibly, move the back up a short distance. What a waste of time and money. If people would learn how to drive and merge and quit being such jacka$$e$ maybe that would help.

concord June 26, 2014 at 3:59 PM

I agree; it would be SO NICE to have BART all the way down 680 to San Jose with stops in San Ramon, Dublin, Fremont and Milpitas. It has been a long time coming for the opening of those lanes. Two months ago, there was almost a serious accident when someone was trying to enter the freeway from the Sycamore on ramp; it is way too sho

Jose June 26, 2014 at 5:06 PM

Need to meter traffic coming onto NB 680 from Lawrence in Walnut Creek, that’s where major backups occur due to large numbers of cars trying to merge all at once.

Runkle June 26, 2014 at 5:13 PM

I hate taking 680 home from the SBAY. Ridiculous. I have found it is best to drive an alternate route, although more miles. But the traffic never slows as much as this stretch of freeway.

SMH June 26, 2014 at 6:32 PM

Whatever happened to the city stating that they would have an express lane for those with a fast trak? Is that not happening anymore?

Happ June 26, 2014 at 9:25 PM

It won’t fix anything I680 is a mess mainly due to crappy drivers-

Has anyone noticed this- when ever CalTrans has anything on their lighted info sign on NB 680 just prior to Livorna it causes a huge back up. I always think there is an accident ahead only to see some lame “click it or ticket” reminder. In the mean time people are jumping lanes all over to try and get ahead. I’ve seen several minor fender benders all due to the slow down caused by that info sign.

Aspirin June 27, 2014 at 6:07 PM

And, how many millions were spent constructing sound walls along 680 in order to enhance property values at taxpayer expense?

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