San Rafael Police Department

San Rafael Police Department

For Immediate Release

Author: Sergeant Justin Graham #494
Date: June 17, 2021 3:30 PM

TRAFFIC ADVISORY - US 101 Central San Rafael (Harbor Bridge Construction)

San Rafael, CA. – Caltrans District 4 (Bay Area), will continue construction work on Stage 2 of the Northbound (NB) US-101 Central San Rafael off-ramp bridge (Harbor Bridge replacement) in Marin County. Starting Friday morning, June 18, the construction team will conduct pile driving work from 6:00 AM until 9:00 PM.

Additionally, on Sunday, June 20, starting at 11:00 PM to Monday, June 21, ending at 6:00 AM, the construction team will be doing a full off-ramp closure to change the off-ramp configuration to implement the two-lane configuration. This new configuration will provide for one lane to the new temporary bridge, and one lane to the existing off-ramp. This two-lane configuration will remain in place until the end of July 2021, so that the construction team can continue work on Stage 2 of this bridge replacement project.

Project information can be found at the project website:

The San Rafael Police Department will have extra shifts to monitor, evaluate, and conduct traffic control as conditions and patters will likely change within the city.  SRPD is requesting the motorists be mindful and add extra time to your travels as delays are expected to increase during the stage 2 construction timeline.

One Night Full Off-Ramp Closure:

Beginning Sunday, June 20 at 11:00 PM to Monday, June 21 at 6:00 AM.

Detours are in place to assist motorists traveling in the area.

For 24/7 traffic updates, please visit

For real-time information, please visit Caltrans QuickMap: Or follow Caltrans on Twitter at

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Posted: June 17, 2021 3:24 PDT by Sergeant Justin Graham #494

Updated: June 17, 2021 3:36 PDT by Alex Holm


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