California Department of Transportation

08/25/2026 | Press release | Distributed by Public on 08/25/2026 11:02

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

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

Published: Aug 25, 2026

Schedule: Tuesday, Aug. 25 through the morning of Saturday, Aug. 29

Marin County - Caltrans is scheduled to continue its Capital Preventive Maintenance project along US-101 in August.

Various lanes will be closed on US-101 from Tuesday, Aug. 25 through the morning of Saturday, Aug. 29 from Bellam Boulevard to Miller Creek from 10 p.m. until 7 a.m. the next mornings.

The off-ramp to industrial Way and the on-ramp to Industrial Way are scheduled to be closed during that time period.

The Northbound US-101 off-ramp to N. San Pedro Road is scheduled to be closed from 10 p.m. until 6 a.m. the next morning.

The Southbound US-101 on-ramp to Lucky Drive is scheduled to be closed from 8 p.m. until 6 a.m. the next mornings. The Southbound US-101 off-ramp to Lucky Drive is scheduled to be closed from 10 p.m. until 6 a.m. the next mornings.

The Southbound US-101 on-ramp from Westbound and Eastbound Sir Francis Drake Boulevard is scheduled to be closed from 8 p.m. until 9 a.m. the next mornings.

The Southbound US-101 on-ramp from Francisco Boulevard is scheduled to be closed from 10 p.m. until 7 a.m. the next mornings.

Detour from Southbound Redwood Way

  • Head south on Redwood Highway toward Industrial Way
  • Continue on to Tamalpais Drive
  • Turn right to merge on to Northbound US-101

Detour from Northbound Redwood Way

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

Detour for Lucky Drive on Southbound US-101

  • Continue on Tamal Vista Boulevard and turn left on to Fifer Avenue
  • Turn left on to Lucky Drive
  • Turn right on to Doherty Drive
  • Turn left on to Magnolia Avenue
  • Turn left on to Redwood Avenue
  • Continue on to Tamalpais Drive
  • Use the right lane to merge on to Northbound US-101
  • Head Southeast on Fifer Avenue

Detour for Southbound US-101 on-ramp from Sir Francis Drake

  • Continue on to Sir Francis Drake Boulevard
  • Turn left on to Northbound US-101
  • Take the off-ramp to Richmond Bridge/Francisco Blvd./Route I-580
  • Turn right on to Bellam Boulevard
  • Turn right on to Andersen Drive
  • Turn right on to Francisco Boulevard West
  • Turn right on to Southbound US-101
  • Head west on Sir Francis Drake Boulevard
  • Turn right on to Wolfe Grade
  • Wolfe Grade becomes D Street
  • Turn right on to Second Street
  • Turn right to merge on to Southbound US-101

Detour for Southbound US-101 on-ramp to Anderson Drive

  • From Northbound Francisco Boulevard
    • Continue northbound on Francisco Boulevard West
    • Turn left to stay on Francisco Boulevard West
    • Turn left on to Rice Drive• Turn right on to Andersen Drive
    • Turn right on to Lindaro Street
    • Turn right on to Second Street
    • Turn right to merge on to Southbound US-101
  • From Southbound Francisco Boulevard
    • Continue Northeast on Francisco Boulevard West
    • Turn right on to Andersen Drive
    • Turn right on to Lindaro Street
    • Turn right on to Second Street
    • Turn right on to Southbound US-101

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
Follow us on X: https://x.com/CaltransD4
Or call 1-800-472-7623, 1-800-427-ROAD for state highway conditions statewide.

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California Department of Transportation published this content on August 25, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on August 25, 2026 at 17:02 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]