Southbound On-ramp, Off-ramp Closures Scheduled for Freitas Parkway as Part of Roundabout Project in City of San Rafael

Wednesday, May 20, Thursday, May 21 from 10 p.m. until 5 a.m.

Marin County - Caltrans is scheduled to close the southbound on- and off-ramps to Manuel T. Freitas Parkway for installation of a temporary barrier along with roadway and electrical work. This is part of the Freitas roundabout project in San Rafael.

The closure is scheduled for Wednesday, May 20 and Thursday, May 21 from 10 p.m. until 5 a.m. the next mornings.

Also, the left lane on and shoulder for Northbound US-101 is scheduled to be closed.

Off-ramp detour from Southbound US-101 to Freitas

Take Southbound US-101
Take the off-ramp to San Pedro Road
Go Southbound on Merrydale Road
Go eastbound on San Pedro Road
Take the Northbound US-101 on-ramp from San Pedro Road to get on Northbound US-101, and take the off-ramp to Westbound Freitas Parkway

On-ramp detour Westbound Freitas to Southbound US-101

Go Westbound on Freitas Parkway and take a U-turn
Go Eastbound on Freitas Parkway
Take the Southbound US-101 on-ramp from Freitas Parkway
Get onto Southbound US-101

Stage 3 construction continues for the project as the intersection of Civic Center Drive/Redwood Highway will continue to be closed through June 2026. Stage 3 includes the roundabout construction on the east side. There will be a new bus stop constructed as well as a northbound slip on-ramp.

How roundabouts are beneficial

The modern roundabout is an intersection with a circular configuration that safely and efficiently moves traffic. Major roundabout projects are being built in other North Bay counties like Sonoma and Napa in recent years.

Roundabouts feature channelized, curved approaches that reduce vehicle speed, entry yield control that gives right-of way to circulating traffic, and counterclockwise flow around a central island that minimizes conflict points.

The net result of lower speeds and reduced conflicts at roundabouts is an environment where collisions that cause injury or fatality are substantially reduced. - Courtesy of the Federal Highway Administration

All work is dependent on weather and other factors.

For more about the roundabout project, see https://dot.ca.gov/caltrans-near-me/district-4/d4-projects/d4-roundabout-project-us101-san-rafael

For real-time traffic, click on Caltrans QuickMap: http://quickmap.dot.ca.gov/

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