Bay Cities wins $107m contract for I-680 Sunol Northbound Express Lane


Alameda County Transportation Commission(CTC), in partnership with Caltrans, has awarded a $107m contract to Bay Cities Paving & Grading of Concord, California, for the construction of the I-680 Sunol Northbound Express Lane project.

Construction is expected to commence in early 2018.

Under the first phase of the I-680 Sunol Northbound Express Lane Project, the freeway will be widened and a new nine-mile express lane will be constructed, along with associated improvements on northbound I-680 between Auto Mall Parkway and SR-84 in Alameda County.

Under the project, the adjacent southbound I-680 Sunol Express Lane will be upgraded, modifying access configuration from controlled access to a near continuous access configuration similar to that on the I-580 Express Lane corridor through the Tri-Valley.

The I-680 Sunol Southbound Express Lane was opened in 2010. Since then, Alameda CTC opened the east- and westbound I-580 Express Lanes in 2016 and MTC opened the I-680 Contra Costa Express Lanes in 2017.

Express Lanes provide reliable travel times, improved traffic conditions, and incentives to carpool and use transit.

I‐680 at the Sunol Grade is consistently ranked one of the top 10 most congested freeway corridors in the Bay Area.

Alameda CTC executive director Arthur L Dao said: “Alameda CTC is keeping its pledge to residents and businesses throughout Alameda County by delivering critical transportation improvements and supporting local jobs with funding from the approval of sales tax Measures B and BB. It is not every day that more than $100m in local construction work hits the street.”

Alameda CTC coordinates countywide transportation planning and delivers voter-supported transportation improvements in every city throughout Alameda County.

Funding sources for Alameda CTC’s expenditure plans include Measure B, approved by 81.5% of county voters in 2000, and Measure BB, approved by more than 70% of voters in 2014.

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