Accident High Severity Resolved

CHP : Spill on I-680 Southbound south of Arthur Rd (Martinez). Right lanes affected. Expect delays.

A high-severity accident was reported on I-680 S near Contra Costa on August 25, 2026 at 2:10 PM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Aug 25, 7:10 AM

Last Updated

2 months ago

Aug 25, 9:15 AM

Resolved

Aug 25, 3:30 PM

Coordinates

38.0068, -122.0840

Update History

5 observations

CHP : Spill on I-680 Southbound south of Arthur Rd (Martinez). Right lanes affected. Expect delays. Aug 25, 9:00 AM

CHP : Spill on I-680 Southbound ramp to CA-4 E (Martinez). Right lanes affected. Expect delays. Aug 25, 8:15 AM

CHP : Spill on I-680 Southbound ramp to CA-4 E (Martinez). Right lane affected. Expect delays. Aug 25, 8:00 AM

CHP : Spill on I-680 Southbound ramp to CA-4 E (Martinez). Connector ramp affected. Expect delays. Aug 25, 7:30 AM

CHP : Traffic Hazard on CA-4 Westbound at Pacheco Blvd (Pacheco). Lane affected. Expect delays. Aug 25, 7:15 AM

Source: 511_sfbay · ID 511.org/1540412 First seen Aug 25, 2026 7:15 AM