Construction Resolved

Caltrans : Roadwork on I-680 Southbound entering at Bollinger Canyon Rd (San Ramon). On Ramp closed until 5 AM. From 9:00 PM Monday, September 28, 2026 to 5:00 AM Tuesday, September 29, 2026.

A construction was reported on I-680 S near Contra Costa on September 29, 2026 at 4:01 AM.

Road

I-680 S

Area

Contra Costa

Address

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Started

Sep 28, 9:01 PM

Last Updated

4 weeks ago

Sep 29, 3:45 AM

Resolved

Sep 29, 9:45 AM

Coordinates

37.7606, -121.9638

Update History

2 observations

Caltrans : Roadwork on I-680 Southbound entering at Bollinger Canyon Rd (San Ramon). On Ramp closed until 5 AM. From 9:00 PM Monday, September 28, 2026 to 5:00 AM Tuesday, September 29, 2026. Sep 29, 3:45 AM

Caltrans : Roadwork on I-680 Southbound entering at Bollinger Canyon Rd (San Ramon). On Ramp closed until 5 AM. From 9:00 PM Monday, September 28, 2026 to 5:00 AM Tuesday, September 29, 2026. Sep 28, 11:30 PM

Source: 511_sfbay · ID 511.org/1556178 First seen Sep 28, 2026 11:30 PM