Accident Moderate Severity Resolved

CHP : Residual delays on US-101 Southbound at Marsh Rd (Menlo Park). Right shoulder affected. Expect delays.

A injury accident was reported on US-101 S near San Mateo on June 18, 2026 at 3:36 PM.

Road

US-101 S

Area

San Mateo

Address

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Started

Jun 18, 8:36 AM

Last Updated

4 months, 1 week ago

Jun 18, 8:45 AM

Resolved

Jun 18, 2:45 PM

Coordinates

37.4844, -122.1843

Update History

1 observations

CHP : Residual delays on US-101 Southbound at Marsh Rd (Menlo Park). Right shoulder affected. Expect delays. Jun 18, 8:45 AM

Source: 511_sfbay · ID 511.org/1509879 First seen Jun 18, 2026 8:45 AM