55-Hour Single Lane Closures, Barrier Work on U.S. 101 San Mateo/Santa Clara County Line to Whipple Avenue

Published: Aug 01, 2024

Friday, August 9, 10:00 PM thru Monday, August 12, 5:00 AM

San Mateo County - Caltrans will begin 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 9, 10:00 PM thru Monday, August 12, 5:00AM. This is the first 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.

Scheduled Closures:

• August 9 - August 12
• August 16 - August 19
• 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 real-time traffic, click on Caltrans QuickMap: https://quickmap.dot.ca.gov/
For 24/7 traffic updates, follow 511.org: https://twitter.com/511SFBay

All work is weather dependent

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