Schedule: Monday, July 20 through the morning of Saturday, July 25

Marin County — Caltrans is scheduled to continue its Capital Preventive Maintenance project along US-101.
Various lanes will be closed from Monday, July 20 through the morning of Saturday, July 25. Northbound US-101 closures are scheduled from 10 p.m. to 6 a.m., and southbound closures are from from 8 p.m. to 5 a.m.
The following ramps will be closed on Northbound US-101:
The on-ramp from Bellam Boulevard/Westbound Interstate 580; the off-ramp to N. San Pedro Road; the off-ramp to Miller Creek Road between and the on-ramp from Bellam Boulevard/ Westbound I-580 and Miller Creek Road. All of those ramp closures are 10 p.m. to 6 a.m. except for the final one, which is 11 p.m. and 5 a.m.
The following ramp will be closed on Southbound US-101:
The on-ramp from Francisco Boulevard: the on-ramp from N. San Pedro Road; the off-ramp to N. San Pedro Road and the on-ramp from Miller Creek Road. All of those closures are 10 p.m. until 6 a.m. the next mornings.
Southbound US-101 on-ramp from Francisco Boulevard
- From Northbound Francisco Boulevard, continue northbound on Francisco Blvd. and turn left to stay on Francisco Blvd. West
- Left onto Rice Drive
- Turn right on to Andersen Drive
- Turn right onto Lindaro Street
- Turn right on to Second Street
- Turn right to merge on to Southbound US-101
- From Southbound Francisco, continue northeast on Francisco Blvd. W
- Turn right on to Andersen Drive
- Turn right onto Lindaro Street
- Turn right onto Second Street
- Turn right on to Southbound US-101
Southbound US-101 on-ramp from N. San Pedro Road
- Westbound detour: continue onto N. San Pedro Road
- Turn left to merge on to Northbound US-101
- Use the right lane and take Northbound US-101 ramp
- Take the exit toward Manuel T. Freitas Parkway
- Continue on to Freitas Parkway
- Turn right on to Southbound US-101
- Eastbound detour: Head southwest on N. San Pedro Road toward Merrydale Road
- Turn right on to Los Ranchtos Road
- Continue on to Las Gallinas Avenue
- Turn right on Del Presidio Boulevard
- Turn right on to Freitas Parkway
- Use the right lane to take Northbound US-101
Southbound US-101 on-ramp from Miller Creek Road
- Continue on to Miller Creek Road and turn left to get on Northbound US-101
- Take the Nave Drive off-ramp
- Continue on to Nave drive and turn right on Alameda del Prado
- Turn right to get on to Southbound US-101
- Continue west on Miller Creek Road
- Turn left onto Las Gallinas Avenue
- Turn left onto Lucas Valley Road
- Turn right to merge 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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