Revised schedule: Mondays through Fridays and Sundays
Marin County - Caltrans will continue a utility potholing project in both directions on State Route 131 (Tiburon Boulevard) from the US-101 exit to Main Street (approximately four miles). Workdays are Mondays through Fridays as well as Sundays, 8 p.m. to 6 a.m.
Workers are performing potholing on SR-131 to safely locate underground utilities (water, electrical, gas, telecommunications, and fiber optic lines) in preparation for the upcoming paving project of SR-131 scheduled in 2026.
Eastbound and westbound lanes of SR-131 will be subject to one-way traffic control.
Only one lane will be open at a time, with traffic alternating directions through the work zone. Work is scheduled to be completed by July 2025.
All work depends on weather.
For the latest road and highway conditions statewide go to Caltrans quick maps; https://quickmap.dot.ca.gov/
For 24/7 traffic updates, please visit 511.org: https://x.com/511SFBay
For real-time information, visit Caltrans QuickMap: https://quickmap.dot.ca.gov
Follow us on X: https://x.com/CaltransD4
Or call 1-800-472-7623, 1-800-427-ROAD for state highway conditions statewide.
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