Friday, August 23, 10:00 PM thru Monday, August 26, 5:00 AM
San Mateo County - Caltrans will continue median barrier upgrade work on U.S. 101 between the San Mateo/ Santa Clara County line to Whipple Ave. Caltrans will close a 2.5-mile section of the North and Southbound Express Lanes (#1 lane) beginning on Friday, August 23, 10:00 PM thru Monday, August 26, 5:00 AM. This is the third of nine 55-hour single lane closures scheduled to complete barrier upgrade and related work. Each closure work limits will be a 2.5-mile section. All work will be done outside of Express Lane operational hours. An additional lane may be closed at various times during the closures to facilitate equipment and materials.
An additional lane may be closed at various times during the closures to facilitate equipment and materials.
![Map location of 55 hour single lane closures for barrier work on US 101](/-/media/dot-media/district-4/images/2024-press-release-images/traffic-advisory-2024-07-05-us-101-55-hour-single-lane-closures.jpg?h=298&w=450&hash=4B22C765B7FE57C767A004D4432208BC)
Scheduled Closures:
August 9 - August 12completedAugust 16 - August 19completed- August 23 - August 26
- September 6 - September 9
- September 13 - September 16
- September 27 - September 30
- October 25 - October 28
- November 1 – November 4
- November 15 – November 18
Caltrans appreciates the cooperation and understanding of the traveling public.
Utilizing weekend closures significantly reduces the number of nighttime closures needed and increases safety for the workers and the motoring public.
For 24/7 traffic updates, please visit 511.org: https://twitter.com/511SFBay
For real-time information, visit Caltrans QuickMap: https://quickmap.dot.ca.gov
All work is weather dependent
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