Monday through Friday from 7:00 a.m. to 3:30 p.m. through January 2027
Sonoma County – Caltrans will continue daytime one-way traffic control for construction work on State Route 116 (SR 116) near Duncan Road in Monte Rio, Sonoma County. Construction will include drainage improvements, erosion control and new asphalt. Motorists and cyclists are advised to expect delays and allow extra time when traveling. All work is weather dependent.
One-way Traffic Control Schedule:
Monday–Friday, 7 a.m. to 3:30 p.m. One lane will be closed with flaggers directing one‑way traffic control.
The roadway will be fully open to two‑way traffic evenings and weekends.
Motorists and cyclists should follow instructions from on‑site personnel, and exercise caution when traveling through the work zone.
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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