Connector Ramp from Northbound 121 to Eastbound 121 to Close for Construction of Roundabout at SR-116 and SR-121

Published:

Motorists will be directed to current four-way-stop intersection starting on Aug. 8

Sonoma County - Caltrans has scheduled a long-term closure of the connector ramp from Northbound State Route 121 (SR-121) to Eastbound State Route 121 as part of construction for the new roundabout at the intersection of State Route 116 (SR-116) and SR-121.

Map of roundabout project at  intersection of State Route 116/121 in Lakeville, Sonoma County. 

Crews will begin work on Thursday, Aug. 8 at 9 p.m., and the connector ramp is scheduled to be closed until November 2024.

Crews will work on reconstructing the roadway for the new alignment of the SR-116 intersection at SR-121 roadway as part of ongoing construction of the roundabout project.

To ensure the safety of workers and motorists, the connector ramp will be closed, and traffic will be directed to the existing four-way stop intersection.

All work is weather dependent.

Motorists are advised to allow extra time to become acclimated to this detour and expect delays.

For additional information on the SR-116, SR-121 Roundabout Project, go to our project website at: 116-121 Intersection | Caltrans

For real-time traffic, click on Caltrans QuickMap: https://quickmap.dot.ca.gov/
For 24/7 traffic updates, follow 511.org: https://twitter.com/511SFBay

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