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 Wednesday, September 16, 2026 to 4:30 AM Thursday, September 17, 2026.

A construction was reported on I-680 S near Contra Costa on September 17, 2026 at 4:01 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Sep 16, 9:01 PM

Last Updated

1 month, 1 week ago

Sep 16, 9:45 PM

Resolved

Sep 17, 3:45 AM

Coordinates

37.9456, -122.0582

Update History

1 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 Wednesday, September 16, 2026 to 4:30 AM Thursday, September 17, 2026. Sep 16, 9:45 PM

Source: 511_sfbay · ID 511.org/1550613 First seen Sep 16, 2026 9:45 PM

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