State Route-37 Solano Pavement Repair Project: Nighttime Full Closure of Westbound SR-37 between Mare Island (SR-39, Vallejo) and Sears Point (SR-121, Sonoma)


Scheduled for Thursday, May 2, 2024, to May 3, 2024
From 9:00 P.M. to 4:00 A.M.

Solano County- Caltrans has scheduled a nighttime full closure of westbound State Route 37 between SR-29 in Vallejo and SR-121 in Sonoma County for Thursday night, May 2, between 9:00 P.M. and 4:00 A.M.

Caltrans crew will continue remaining work for Westbound SR-37 Paving project. Due to unfavorable weather and high winds some of the weekend work had to be rescheduled. To ensure the safety of workers and motorists, Caltrans will need to fully close Westbound lanes to safely complete the work. Detours will be set in place.

Westbound SR-37 Detour:

Motorists traveling westbound on SR-37 will need to:

  1. exit right onto northbound SR-29 (Sonoma Blvd) in Vallejo
  2. continue on NB SR-29 (Broadway) to SR-29/SR-12;
  3. turn left and continue on SR-12/SR-121 (Carneros Hwy/Fremont Dr);
  4. turn left on SR-121 (Arnold Dr)
  5. Turn right back on WB SR-37.

Detour map for westbound State Route 37 closure at SR-29 in Vallejo. WB SR-37 Detour Via: WB SR-37 Connector Off-ramp to SR-29; Right on SR-29 (Sonoma Blvd.); Continue on NB SR-29; Continue SR-29/SR-12; Left on SR-12/SR-121 (Carneros Hwy); Continue to SR-12/SR-121 (Carneros Hwy);  Stay left on SR-12/SR-121 (Carneros Hwy/Fremont Dr); Left on SR-121 (Arnold Dr); Continue on SR-121 (Arnold Dr); Right on WB SR-37.

If you have a question or want to share a concern about the project, please call the SR-37 Pave Project Hotline (510) 286-0319.

You can also learn more about the SR-37 Paving Project on our Caltrans Bay Area project webpage at; 

Please drive with caution. Slow for the Cone Zone and Be Work Zone Alert.

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