California Department of Transportation

11/06/2026 | Press release | Distributed by Public on 11/06/2026 18:20

Lane, Ramp Closures Scheduled Nightly on US-101 for Capital Preventive Maintenance Project in Marin County

Lane, Ramp Closures Scheduled Nightly on US-101 for Capital Preventive Maintenance Project in Marin County

Published: Nov 06, 2026

Schedule: Monday, Nov. 9; Thursday, Nov. 12 through the morning of Saturday, Nov. 14

Marin County - Caltrans will continue its Capital Preventive Maintenance project along US-101 for paving and permanent pavement striping. All work is weather dependent.

Various northbound and southbound lanes will be closed on US-101 on Monday, Nov. 9 as well as Thursday, Nov. 12 through the morning of Saturday, Nov. 14 from 10 p.m. until 6 a.m. the next mornings.

The following ramps are scheduled to be closed during at various points:

  • Northbound US-101 off-ramp to Industrial Way from 10 p.m. to 6 a.m.
  • Northbound US-101 off-ramp to Sir Francis Drake Blvd. from 11 p.m. to 6 a.m.
  • Northbound US-101 on-ramp to Sir Francis Drake Blvd. from 11 p.m. to 6 a.m.
  • Northbound US-101 off-ramp to Manuel T. Freitas Parkway from 10 p.m. to 6 a.m.
  • Northbound US-101 on-ramp and off-ramp to Smith Ranch Road/Lucas Valley Road from 8 p.m. to 6 a.m.
  • Northbound US-101 on-ramp from Mission Avenue from midnight to 6 a.m.
  • Northbound US-101 on-ramp and off-ramp to N. San Pedro Road from 8 p.m. to 6 a.m.
  • Northbound US-101 on-ramp from Lincoln/Villa Avenue from 8 p.m. to 6 a.m.
  • Northbound US-101 on-ramp from Redwood Highway from 7 p.m. to 6 a.m.
  • Southbound US-101 off-ramp to Mission Avenue from 9 p.m. to 6 a.m.
  • Southbound US-101 on-ramp and off-ramp to Lincoln Avenue from 10 p.m. to 6 a.m.
  • Southbound US-101 on-ramp off-ramp to N. San Pedro Road from 9 p.m. to 6 a.m.
  • Southbound US-101 on-ramp and off-ramp to Freitas Parkway from 9 p.m. to 6 a.m.
  • Southbound US-101 on-ramp and off-ramp from Lucas Valley Rd. from 8 p.m. to 6 a.m.

Detour for Northbound US-101 on-ramp from Sir Francis Drake Blvd

  • From Southbound Redwood Way, head south on Redwood toward industrial Way
  • Continue onto Tamalpais Drive
  • Turn right to merge onto Northbound US-101
  • From Northbound Redwood, head north on to Redwood and turn right onto Rich Street
  • Head south on Redwood Highway toward Industrial Way
  • Continue onto Tamalpais Drive
  • Turn right to merge on Northbound US-101

Detour for Northbound US-101 on-ramp from Mission Avenue

  • From eastbound Mission, head east on Mission Avenue
  • Turn left onto Grand Avenue
  • Merge onto Villa Avenue
  • Merge onto Northbound US-101
  • From westbound Mission, head west on Mission Avenue
  • Turn right onto Lincoln Avenue
  • Turn right to merge onto Northbound US-101

Detour for Northbound US-101 on-ramp from Lincoln Avenue

  • From southbound Lincoln, continue south onto Lincoln and turn left onto Mission Avenue
  • Merge onto Northbound US-101
  • From northbound Lincoln, continue north onto Lincoln Avenue
  • Turn right onto N. San Pedro Road
  • Turn left on Northbound US-101

Detour for Northbound US-101 on-ramp from N. San Pedro Road

  • From westbound N. San Pedro, continue onto N. San Pedro Road
  • Turn right onto Los Ranchitos Road
  • Los Ranchitos Road becomes Las Gallinas Avenue
  • Turn right onto Merrydale Road
  • Turn left onto Civil Center Drive
  • Turn left to merge onto Northbound US-101
  • From eastbound N. San Pedro, continue on N. San Pedro Road
  • Turn left onto Civil Center Drive
  • Turn right to merge onto Northbound US-101

Detour for Northbound US-101 loop on-ramp from Manuel T. Freitas Parkway

  • Turn right onto Civic Center Drive
  • Turn right onto N. San Pedro Road
  • Turn right on to Northbound US-101

Detour for Northbound US-101 on-ramp from Southbound Redwood Highway

  • From Southbound Redwood, continue southeast onto Redwood Frontage Road
  • Turn right onto Manuel T. Freitas Parkway
  • Turn right onto Las Gallinas Avenue
  • Turn right onto Lucas Valley Road
  • Take Northbound US-101 on-ramp at Smith Ranch Road
  • From Northbound Redwood, continue on to Redwood Frontage Rod
  • Turn left onto Smith Ranch Road
  • Merge onto Northbound US-101 at Smith Ranch Road

Detour for Northbound US-101 on-ramp from Lucas Valley Road

  • Head southeast on Lucas Valley Road
  • Continue on to Smith Ranch Road
  • Turn right onto Redwood Highway
  • Turn right to merge on to Northbound US-101

Detour for Northbound US-101 on-ramp from Smith Ranch Road

  • Continue onto Smith Ranch Road
  • Smith Ranch Road becomes Lucas Valley Road
  • Turn right onto Las Gallinas Avenue
  • Turn right onto Miller Creek Road
  • Turn left to Northbound US-101 on-ramp at Miller Creek Road

Detour for Southbound US-101 on-ramp from Lincoln Avenue

  • From Northbound Lincoln, head northwest on Lincoln Avenue
  • Continue on Los Ranchitos Road
  • Turn right onto N. San Pedro Road
  • Turn left onto Merrydale Road
  • Turn right to merge on to Southbound US-101
  • From Southbound Lincoln, head Southeat on Lincoln Avenue
  • Turn left on Second Street
  • Turn right to merge on to Southbound US-101

Detour for Southbound US-101 on-ramp from N. San Pedro Road

  • From Westbound N. San Pedro Road, continue onto N. San Pedro Road
  • Turn left to merge on to Northbound US-101
  • Use the right lane to take the Northbound US-101 ramp
  • Take the exit toward Manuel T. Freitas Parkway
  • Continue onto Manuel T. Freitas Parkway
  • Turn right onto Southbound US-101
  • From eastbound N. San Pedro Road, head southwest on N. San Pedro Road toward Merrydale Road
  • Turn right onto Los Ranchtos Road
  • Continue onto Las Gallinas Avenue
  • Turn right on Del Presidio Boulevard
  • Turn right on to Manuel T. Freitas Parkway
  • Use right lane to take Northbound US-101

Detour at Southbound US-101 on-ramp from Eastbound Freitas Parkway

  • Continue on Manuel T. Freitas Parkway
  • Turn right onto Northbound US-101
  • Take the Lucas Valley Road off-ramp and continue onto Lucas Valley Road
  • Turn left to merge onto Southbound US-101

Detour for Southbound US-101 on-ramp Loop from WB Manuel T Freitas Pkwy

  • Go west on Manuel T. Freitas Parkway
  • Turn right onto Las Gallinas Avenue
  • Turn right onto Lucas Valley Road
  • Turn right to merge onto Southbound US-101

Bus stops along the aforementioned ramps may be affected.

For 24/7 traffic updates, follow 511.org: https://twitter.com/511SFBay
For real-time traffic, click on Caltrans QuickMap: http://quickmap.dot.ca.gov/

California Department of Transportation published this content on November 06, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on November 07, 2026 at 00:20 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]