Accident High Severity Resolved

CHP : Traffic Collision on CA-84 Eastbound and Westbound at CA-1 (San Gregorio). Lanes blocked. Expect delays.

A high-severity accident was reported on CA-84 E near San Mateo on August 30, 2026 at 3:00 AM.

Road

CA-84 E

Area

San Mateo

Address

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Started

Aug 29, 8:00 PM

Last Updated

1 month, 3 weeks ago

Aug 29, 11:30 PM

Resolved

Aug 30, 5:30 AM

Coordinates

37.2998, -122.4052

Update History

4 observations

CHP : Traffic Collision on CA-84 Eastbound and Westbound at CA-1 (San Gregorio). Lanes blocked. Expect delays. Aug 29, 8:15 PM

CHP : Traffic Collision on CA-84 Eastbound and Westbound at CA-1 (San Gregorio). Lanes blocked. Expect delays. Aug 29, 7:30 PM

CHP : Traffic Collision on CA-84 Eastbound and Westbound at CA-1 (San Gregorio). Lanes blocked. Expect delays. Aug 29, 6:45 PM

CHP : Traffic Collision on CA-84 Eastbound and Westbound at CA-1 (San Gregorio). Lanes blocked. Expect delays. Aug 29, 6:30 PM

Source: 511_sfbay · ID 511.org/1542684 First seen Aug 29, 2026 6:30 PM