Overnight Ramp Closures on Southbound U.S. 101 off-ramps to SR-92 in both directions in San Mateo

Scheduled overnight from Thursday, June 19 to Friday, June 20 - 10 p.m. to 5 a.m.

San Mateo County ― Caltrans has scheduled overnight closures of U.S. 101 off-ramps at SR-92 in San Mateo starting on June 19 at 10 p.m. The ramps will be closed so that crews can safely construct guardrails and remove overhead signs. Motorists are advised to expect delays and allow extra time for their commute. Changeable messaging signs (CMS) and detours signs will be posted. Please drive with caution.

Detour information:

Southbound U.S. 101 to Fashion Island Boulevard:

• Exit at Hillsdale Boulevard and turn left onto Hillsdale Boulevard.
• Proceed to Norfolk Street and turn left.
• Continue to reach Fashion Island Boulevard.

Southbound U.S. 101 to Eastbound or Westbound SR-92:

• Exit at Hillsdale Boulevard and take eastbound Hillsdale Blvd.
• Take loop to northbound US-101.
• From northbound U.S. 101, follow signs to Route 92 in desired direction.

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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