Photo Gallery
I-680 Express Lane Construction
A completed CIDH (Cast-In-Drill-Hole) structural foundation for an express lane sign placed in the future reconstructed median barrier of I-680.
Credit
Noah Berger
Construction crews use an excavator in pre-drilling activities for express lane sign foundations.
Credit
Noah Berger
Construction crews use an excavator in pre-drilling activities for express lane sign foundations.
Credit
Noah Berger
Construction crews unload a pre-fabricated metal rebar cage. This cage reinforces the foundations once concrete is poured.
Credit
Noah Berger
Drill attachment pushes through the earth to pre-drill shafts for the express lane sign foundations.
Credit
Noah Berger
A crane picks up a pre-fabricated rebar cage to place in the pre-drilled shaft to reinforce the concrete for the express lane sign foundations.
Credit
Noah Berger
A view through a pre-fabricated rebar cage as crews prepare to lift it with a crane.
Credit
Noah Berger
Traffic controlled lane closures off of Crow Canyon Rd. on I-680
Credit
Noah Berger
A crane places the metal rebar cage into the pre-drilled shaft before concrete is poured.
Credit
Noah Berger
Construction is well under way on the first Bay Area Express Lane project to be planned, built and operated by MTC. This project is converting existing high-occupancy vehicle (HOV) lanes to Express Lanes on Interstate 680 through Contra Costa County. Read more.