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Caltrans shuts down Highway 101 traffic Monday night for Alemany Deck barrier work

Caltrans has scheduled lane and full closures starting Monday for barrier construction as part of the U.S. Highway 101 Alemany Deck replacement project.

The highway will be reduced to one lane in both the northbound and southbound directions from 8 p.m. to 6 a.m. Monday through Friday, weather permitting.

The southbound lanes of the highway will be completely closed from 9 p.m. to 6 a.m. Tuesday through Saturday, with traffic detoured onto Interstate Highway 280.

Caltrans Caltrans will reducing U.S. Highway 101 traffic to one lane in both the northbound and southbound directions Monday through Friday from 8 p.m. to 6 a.m. to facilitate barrier construction work on the Alemany Deck beginning Monday, May 18, 2020.

Drivers are also reminded that lane closures on southbound 101 north of Alemany between Vermont Street and Cesar Chavez also remain in effect.

The California Highway Patrol will have units to direct motorists during the closures and detours, and speeds through the work area should be reduced to 35 mph.

Details about the project are available online at

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