Construction Resolved

Caltrans : Roadwork on I-680 Southbound between Monument Blvd (Pleasant Hill) and S Main St (Walnut Creek). Various lanes closed until 4-30 AM. From 9:00 PM Tuesday, September 22, 2026 to 4:30 AM Wednesday, September 23, 2026.

A construction was reported on I-680 S near Contra Costa on September 23, 2026 at 4:01 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Sep 22, 9:01 PM

Last Updated

1 month ago

Sep 23, 3:00 AM

Resolved

Sep 23, 9:15 AM

Coordinates

37.9456, -122.0582

Update History

2 observations

Caltrans : Roadwork on I-680 Southbound between Monument Blvd (Pleasant Hill) and S Main St (Walnut Creek). Various lanes closed until 4-30 AM. From 9:00 PM Tuesday, September 22, 2026 to 4:30 AM Wednesday, September 23, 2026. Sep 23, 3:00 AM

Caltrans : Roadwork on I-680 Southbound between Monument Blvd (Pleasant Hill) and S Main St (Walnut Creek). Various lanes closed until 4-30 AM. From 9:00 PM Tuesday, September 22, 2026 to 4:30 AM Wednesday, September 23, 2026. Sep 22, 10:45 PM

Source: 511_sfbay · ID 511.org/1553307 First seen Sep 22, 2026 10:45 PM