Daily One-Way Traffic Control for Bonneau Road for State Route 116/121 Roundabout Project in Sonoma County

Schedule: Saturday, June 28 through Thursday, July 3

Sonoma County – To help facilitate reconstructing the road section of the State Route 116/121 Roundabout Project in Schellville, Caltrans has scheduled one-way traffic control on Bonneau Road from Saturday, June 28 through Thursday, July 3.

The one-way traffic control is 24 hours per day and begins at 7 a.m. on Saturday.

Flaggers will be on site to assist drivers.

Caltrans, in conjunction with the Sonoma County Transportation Authority (SCTA), began construction on the project to build a roundabout in fall 2023. The estimated completion is scheduled for spring 2026.

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

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.