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I-680

Posts about I-680

Transportation

RM3 toll dollars assist State Route 84/I-680 Interchange improvement project

November 19, 2025
State Route 84/I-680 Interchange Improvement Project
Transportation

$58 million to relieve I‑680/SR‑4 bottleneck in Contra Costa County

July 16, 2025
Highway 680/4 Interchange
Transportation

MTC Invites Residents to Weigh In on Toll Policies As Martinez-Walnut Creek Express Lane Debut Nears

August 10, 2020
I-680
Transportation

Regional agencies invite public comment as planned I-680 Express Lane upgrades take shape in Alameda County

March 26, 2020
Express Lanes
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