Accident Moderate Severity Resolved

CHP : Traffic Collision on US-101 Southbound at Marsh Rd (Menlo Park). Lane affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on May 24, 2026 at 6:57 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

May 23, 11:57 PM

Last Updated

22 hours, 3 minutes ago

May 24, 12:00 AM

Resolved

May 24, 6:15 AM

Coordinates

37.4844, -122.1843

Update History

1 observations

CHP : Traffic Collision on US-101 Southbound at Marsh Rd (Menlo Park). Lane affected. Expect delays. May 24, 12:00 AM

Source: 511_sfbay · ID 511.org/1498843 First seen May 24, 2026 12:00 AM