09/09/2024 | Press release | Distributed by Public on 09/09/2024 19:02
San Ramon / Alameda County- A full weekend closure of southbound Interstate 680 between the Alcosta Boulevard in San Ramon and I-580/I-680 connector in Pleasanton will take place Friday, September 20 through Monday morning, September 23.
Southbound Interstate 680 will be closed between the Alcosta Boulevard in San Ramon and I-580/I-680 connector in Pleasanton from 9 p.m. Friday, September 20 through 4 a.m. Monday morning, September 23, 2024. However, all I-580/I-680 connectors will remain open through right most lanes on southbound I-680. We encourage motorists to take alternative routes to alleviate traffic congestion within the construction work zone on southbound I-680 in the cities of San Ramon and Dublin.
In addition to full closures on southbound I-680, the far-left lane (Express Lane) and left shoulder will be closed on northbound I-680 between Amador Valley Boulevard in Dublin and Alcosta Blvd in San Ramon.
During the closure, the contractor will replace a portion of the existing deteriorated roadway with new pavement on southbound I-680, from Alcosta Boulevard to I-580/I-680 connector.
The work will repair deteriorating existing pavement and enhance motorist safety while reducing the number of nightly closures needed on the project. This weekend closure will accomplish the amount of work that otherwise would require an estimated 40 nighttime closures.
After this full closure, there will be two additional partial weekend closures (Not Full Closure) of southbound I-680 in this specific location allowing that motorists can still travel on southbound I-680 through the construction work zone. The dates for these additional partial weekend closures are scheduled for 10/4/2024 to 10/7/2024 and 10/18/2024 to 10/21/2024.
In the case of rain or unanticipated developments, the closures will be rescheduled and the public will be notified.
Portable changeable message signs will be placed prior to closure advising motorists of this closure and will remain in effect throughout the weekend while work is being performed.
Northbound I-680 and I-580/I-680 interchange connector will remain open and will not be affected by the closure.
Caltrans is aware that the closures will impact the motoring public and measures are being taken to minimize inconvenience. Caltrans thanks the motoring public in advance for your patience as we work to improve I-680.
California Highway Patrol officers and message signs will be on hand to guide motorists. Detours for the closures are as follows:
For more information, please visit the Alameda County Transportation Commission website at https://bit.ly/43dKwg1.
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