Accident High Severity Resolved

CHP : Fire on US-101 Southbound at Marsh Rd (Menlo Park). Off Ramp affected. Expect delays.

A high-severity accident was reported on US-101 S near San Mateo on July 26, 2026 at 11:27 AM.

Road

US-101 S

Area

San Mateo

Address

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Started

Jul 26, 4:27 AM

Last Updated

1 day, 9 hours ago

Jul 26, 5:15 AM

Resolved

Jul 26, 11:30 AM

Coordinates

37.4844, -122.1843

Update History

2 observations

CHP : Fire on US-101 Southbound at Marsh Rd (Menlo Park). Off Ramp affected. Expect delays. Jul 26, 4:30 AM

CHP : Fire on US-101 Southbound at Marsh Rd (Menlo Park). Off Ramp affected. Expect delays. Jul 26, 4:15 AM

Source: 511_sfbay · ID 511.org/1526443 First seen Jul 26, 2026 4:15 AM