Accident Moderate Stale

CHP : Traffic Collision on I-680 Southbound north of Olympic Blvd (Walnut Creek). Left lanes blocked. Expect delays.

Road

Area

Started

Apr 20, 4:12 PM

Last Seen

1 hour, 53 minutes ago

Coordinates

37.8942, -122.0678

Update History

2 observations

CHP : Traffic Collision on I-680 Southbound north of Olympic Blvd (Walnut Creek). Left lanes blocked. Expect delays. Apr 20, 4:30 PM

CHP : Traffic Collision on I-680 Southbound south of S Main St (Walnut Creek). Lane affected. Expect delays. Apr 20, 4:15 PM

Source: 511_sfbay · ID 511.org/1483779 First seen Apr 20, 2026 4:15 PM