SR37 Night Lane Closures for Vegetation Management, Solano to Sonoma

June 5, 2026

Date: June 5, 2026
Agency: 4 – Oakland
Contact:  Sabrina Martinez/Jeff Weiss
Phone:  (510) 934-5257/ (510) 715-8770
Email:  sabrina.martinez@dot.ca.gov / Jeffrey.Weiss@dot.ca.gov

JNighttime Lane Closures on State Route 37 (SR-37) for Vegetation Management from Solano to Sonoma County Line

Schedule: Starting on Sunday June 7 from 10 p.m. until 5 a.m. the next mornings

SOLANO COUNTY & SONOMA COUNTY  –  Caltrans Maintenance has scheduled lane closures on Westbound and Eastbound State SR-37 for vegetation management and street sweeping from Sunday, June 7 until Thursday, June 11 from 10 p.m. until 5 a.m. the next mornings from the Solano County line to the Sonoma County line. Motorists should expect 15-minute delays.

Caltrans is preparing the highway ahead of the busy summer season when motorists hit the road for destinations like the Napa and Sonoma valleys as well as the NASCAR races at Sears Point.

Schedule:

Work will be conducted in various locations:

• Sunday, June 7 – one-way traffic control from SR-37/SR-121 intersection to Noble Road
• Monday, June 8 – one-way traffic control from SR-37/121 intersection to Noble Road
• Tuesday, June 9 – moving lane closure for sweeping Westbound SR-37 from Walnut Avenue to Noble Road
• Wednesday, June 10 – moving lane closure for sweeping on Eastbound SR-37 from Noble Road to Walnut Avenue
• Thursday, June 11 – moving lane closure on Westbound and Eastbound SR-37 from Walnut Avenue to SR-37/121 intersection; final clean up where needed

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