Accident Moderate Severity Resolved

CHP : Traffic Collision on I-280 Southbound at Sand Hill Rd (Menlo Park). Lane affected. Expect delays.

A injury accident was reported on I-280 S near San Mateo on June 29, 2026 at 2:06 AM.

Road

I-280 S

Area

San Mateo

Address

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Started

Jun 28, 7:06 PM

Last Updated

3 months, 4 weeks ago

Jun 28, 7:15 PM

Resolved

Jun 29, 1:15 AM

Coordinates

37.4224, -122.2263

Update History

2 observations

CHP : Traffic Collision on I-280 Southbound at Sand Hill Rd (Menlo Park). Lane affected. Expect delays. Jun 28, 7:15 PM

CHP : Traffic Collision on I-280 Southbound at Sand Hill Rd (Menlo Park). Lane affected. Expect delays. Jun 28, 6:45 PM

Source: 511_sfbay · ID 511.org/1514504 First seen Jun 28, 2026 6:45 PM