Nighttime, Daytime Off ramp, Lane Closures for Sign Structure Project in Sausalito on Southbound US 101

Published: Jan 17, 2025

Schedule: Project scheduled from Friday, Jan. 24 to Friday, Jan. 31

Marin County - Caltrans is scheduled to continue a sign structure project on Southbound US-101 at Spencer Avenue in Sausalito. Work includes removing the existing sign structure and installing a new one at the Spencer off-ramp.

The Spencer Avenue off-ramp on Southbound US-101 will be closed on Friday, Jan. 24 from 8 p.m. until about 3 p.m. on the afternoon of Saturday, Jan. 25.

Work will start again from Monday, Jan. 27 through Friday, Jan. 31 from 8 p.m. until 7 a.m. each day.

Two lanes on Southbound US-101 will be closed during construction hours during the day. As many as three lanes could be closed at night. At least one lane will be open for traffic.

Detour for Spencer off-ramp closure:
Continue driving Southbound US-101.
Take the Alexander Avenue off-ramp.
Take a right at the stop sign on Alexander.
Take a right onto Northbound US-101.
Take the off-ramp for Spencer Avenue.

The Spencer Avenue bus stop will be closed during construction hours. The Spencer Avenue Park and Ride will be open but only accessible from the Northbound US-101 side.

Caltrans will turn on Changeable Message Signs (CMS) to notify the public ahead of time.

The project will affect traffic heading onto the Golden Gate Bridge into San Francisco.

All construction depends on weather.

Work is scheduled to continue on this project in October when crews will install the new sign structure. Please drive with caution. Slow for the Cone Zone and Be Work Zone Alert. Caltrans thanks motorists for their patience while we work to maintain our state's highways, bridges, and tunnels.

For 24/7 traffic updates, please visit 511.org: https://x.com/511SFBay
For real-time information, visit Caltrans QuickMap: https://quickmap.dot.ca.gov
Or follow us on X: https://x.com/CaltransD4

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