City

Antioch

County

Contra Costa County

State

CA

Location

Eastbound Highway 4 at Contra Loma Boulevard, Antioch, CA

Category

Fatal freeway crash

Severity

high

Priority

high

Occurred On

2026-10-04 02:38:00-07:00

Published On

2026-10-04

Source Records

1

Source

CHP Investigating Fatal Crash on Highway 4 at Contra Loma

Source URL

Open original source

Summary

A fatal crash prompted a SIGALERT and closure of all eastbound Highway 4 lanes near Contra Loma. CHP log details showed traffic diversion and a coroner request; lanes began reopening around 5:26 a.m.

Verification

Occurrence Confidence

exact

Publication Confidence

exact

Verification Status

source-linked

Source Role

traffic/disruption