Work starts Monday Nov. 9 from 6 p.m. to 6 a.m. the following mornings
Sonoma County – Caltrans has scheduled nighttime single lane closures to complete traffic signal installation work at the intersection of State Route 12 (SR-12) and Boas Drive in Santa Rosa.
Work will occur over three nights to minimize impacts to motorists. Construction activities will include installing traffic signals, activating the signal system and completing roadway striping.

Lane Closure Schedule:
- Monday, Nov. 9 from 6 p.m. to 6 a.m. the next morning.
Motorists are advised to expect delays and allow extra time for their commute. Work is scheduled to be complete by mid-November.
Please "Slow for the Cone Zone" and remain alert for maintenance personnel and equipment working in the area.
**Note all work is weather dependent**
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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