2021-07-29 Walnut Avenue and SR 121 Overnight Closures


District: 4 - Oakland 
Contact: Jeff Weiss  
Phone: (510) 715-8770
Email: Jeffrey.Weiss@dot.ca.gov

State Route 37 
Between Walnut Avenue in Vallejo & State Route 121
Alternating Overnight Full Highway Closures 
One Travel Direction of SR-37 To Remain Open At All times 
Work starts Monday, August 2, roadway repair

SOLANO and SONOMA COUNTIES -  As part of a two-week roadway repair project, starting Monday, August 2, Caltrans will alternate overnight full highway closures on westbound and eastbound State Route 37 (SR-37) between Walnut Ave. on Mare Island in Vallejo and State Route 121 (SR-121) near Sears Point and the Sonoma Raceway in Sonoma County. 
At least one travel direction of SR-37 will remain open at all times. 

Scheduled Overnight SR-37 Closures

Week beginning August 1, 2021
Monday, Tuesday, August 2-3, 8:00 PM – 4:00 AM:  Westbound SR-37 Closed
Wed., Thurs., Friday, August 4-6, 10:00 PM – 6:00 AM: Eastbound  SR-37 Closed 
Week beginning August 8, 2021
Monday, August 9, 8:00 PM – 4:00 AM:  Westbound SR-37 Closed
Tuesday, August 10, 10:00 PM – 6:00 AM: Eastbound SR-37 Closed 

Seven directional closures are scheduled on weekday nights, the first one occurring on westbound  SR-37 on Monday, August 2, 2021. Only one direction of SR-37 will be closed at a time. (See full list of closures above)

During westbound highway closures, crews will also close the westbound SR-37 on-ramp from Railroad Avenue/Mare Island in Vallejo. 

Caltrans will grind and pave areas of damaged asphalt on the 2.2-mile section of highway that traverses the northern shore of the San Pablo Bay between Solano and Sonoma counties.

During the work, motorists traveling on westbound SR-37 will be detoured onto  northbound State Route 29 to westbound State Route 12/121 to southbound State Route 121.

Motorists traveling on  eastbound SR-37 will be detoured onto northbound State Route 121 to eastbound Route 12/121 to southbound State Route 29.

For 24/7 traffic updates, please visit 511.org: https://twitter.com/511SFBay
For real-time information, please visit Caltrans QuickMap: http://quickmap.dot.ca.gov
Or follow Caltrans on Twitter at: https://twitter.com/CaltransD4