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REMINDER: 101 NB Central San Rafael Off-Ramp Weekend Closure Starts Tonight

Posted on March 19, 2021

Central San Rafael Detour Map for Caltrans 101 NB Bridge Replacement project

Beginning this evening, the California Department of Transportation (Caltrans) will begin the first of three 55-hour weekend closures for the NB 101 Central San Rafael Off-Ramp Bridge Replacement project.

The first closure will start tonight, Friday, March 19 at 10:00 pm and reopen on Monday, March 22 at 5:00 am. Detours will be in place. Please familiarize yourself with the roadway detours which can be found on the Caltrans project website. Motorists 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.

Please note, these dates and times are subject to change. For any inquiries or concerns, please contact Caltrans project manager RocQuel Johnson at

For most recent updates, please visit the project website. On March 15, 2021, Caltrans presented an informational report to the San Rafael City Council which explains the project in more detail.

For 24/7 traffic updates, please visit or follow them on Twitter.
For real-time information, please visit the Caltrans QuickMap or follow them on Twitter.

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