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Ramp Closures on Southbound U.S. 101 at the SR-92 Interchange in Foster City

Published:

Monday, April 28 to Thursday, May 1, 8 p.m. to 5 a.m. nightly

Please plan ahead and use alternate routes

San Mateo County ― Caltrans has scheduled overnight ramp closures in the southbound direction on U.S. 101 onto State Route 92 in both directions in Foster City starting on Monday, April 28 at 8 p.m. The ramps will be closed intermittently every night until Thursday, May 1 at 5 a.m. Crews will be constructing temporary barricades and performing striping work on the ramps. The work is part of the U.S. 101/SR-92 Interchange Short Term Area Improvements Project.

There will be three detours in place at various times during this nightly work to keep crews safe:

Detour 1: Southbound 101 to Eastbound 92:
Motorists should take the off-ramp to Eastbound Fashion Island Blvd, then take a right turn onto Mariners Island Blvd, and then take the Eastbound on-ramp to State Route 92.

Detour 1map Southbound 101 to Eastbound 92, motorists should take the off-ramp to Eastbound Fashion Island Blvd, then take a right turn onto Mariners Island Blvd, and then take the Eastbound on-ramp to State Route 92, for ramp closures on Southbound U.S. 101 at the SR-92 Interchange in Foster City,

Detour 2: Southbound 101 to Fashion Island Blvd:
Motorists are advised to take the off-ramp to Eastbound SR-92 and turn right onto Edgewater Blvd. Then they will turn left onto Northbound Mariners Island Blvd to Fashion Island Blvd.

Detour 2 map Southbound 101 to Fashion Island Blvd. Motorists are advised to take the off-ramp to Eastbound SR-92 and turn right onto Edgewater Blvd. Then they will turn left onto Northbound Mariners Island Blvd to Fashion Island Blvd, for ramp closures on Southbound U.S. 101 at the SR-92 Interchange in Foster City,

Detour 3: Southbound 101 to Westbound SR-92:
Motorists are encouraged to take the off-ramp to Fashion Island Blvd. and then turn right onto Westbound on 19th Ave. From there, they will take a right turn onto South Grant St. and then a left turn onto Westbound Concar Dr to enter Westbound SR-92.

Detour 3 map Southbound 101 to Westbound SR-92: Motorists are encouraged to take the off-ramp to Fashion Island Blvd. and then turn right onto Westbound on 19th Ave. From there, they will take a right turn onto South Grant St. and then a left turn onto Westbound Concar Dr to enter Westbound SR-92, for ramp closures on Southbound U.S. 101 at the SR-92 Interchange in Foster City,

 

All work is weather dependent. Please drive with caution. Caltrans thanks motorists for their patience with the 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
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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