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REMINDER: Upcoming northbound US 101 Central San Rafael full weekend full off-ramp closure (10/22 – 10/25) and City Council meeting presentation TONIGHT (10/4)

Posted on October 4, 2021

Central-San-Rafael-Harbor-Bridge-map detours WB 580 and NB 101

REMINDER: The California Department of Transportation (Caltrans) will begin the second 55-hour weekend closure for the 101 NB Central San Rafael Off-Ramp Bridge Replacement project. The closure will start on Friday, October 22 at 10 pm and reopen on Monday, October 25 at 5 am.*

During this closure, Caltrans will be constructing the approach slabs for the new bridge, roadway excavation and installation, pavement striping, and installation of concrete barriers.  If you would like to learn more about the proposed roadway detours, images can be found on the Caltrans project website.

Detours will be in place; please see familiarize yourself  with the roadway detours which can be found on the Caltrans project websiteMotorists are advised to drive with caution and follow all posted directional signs. Residents and businesses may temporarily experience increased noise levels during this operation. This work is a part of several on-going construction projects along US-101, starting at the Golden Gate Bridge, progressing through Sausalito, and concluding in San Rafael until early winter of 2021. Advisories will be issued for each phase of work, and updates can be found at the Caltrans project website and City of San Rafael project website. 

In addition, tonight, Monday, October 4th, Caltrans will make a presentation on the 55-hour closure during the 7pm City Council meeting. To participate in this meeting, please visit the city website:

*Please note, these dates and times are subject to change.

For any inquiries or concerns, please contact Caltrans Public Information Officer, Chiconda V. Davis, at or (510) 715-7906

Stay informed:
For most recent updates, please visit the project website.
For 24/7 traffic updates, please visit or follow them on Twitter
For real-time information, please visit Caltrans QuickMap or follow Caltrans on Twitter 


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