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Interstate 680 Northbound Express Lane Completion Project

Active

State & Local

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

General Info

Agency

California → Caltrans, District 4 - Bay Area/Oakland

NAICS

237310 - Highway, Street, and Bridge ConstructionView NAICS

Place of Performance

CA

Set-Aside

NONE

Documents

(4)

Contra Costa Transportation Authority I-680 Northbound Express Lane Completion Project CEQA Notice of Determination 2025

PDF•notice-of-determination

I-680 Northbound Express Lane Completion Project Final EIR/EA with FONSI

PDF•environmental-impact-report

FONSI NOA for I-680 Northbound Express Lane Completion Project

PDF•finding-of-no-significant-impact

2025 Environmental Document Filing Fee Receipt - Contra Costa County

PDF•other

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Timeline

PostedDec 30

forecast

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Organization & Contact Information

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AgencyCalifornia → Caltrans, District 4 - Bay Area/Oakland

Contacts1 person available

OfficeN/A

Organization / Agency

California → Caltrans, District 4 - Bay Area/Oakland

Office AddressN/A

Contacts

Nicholas PiucciSenior Environmental Scientist (Specialist)

contact@example.gov

+1 (555) 000-0000

Full Description

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As a major north-south freeway, I-680 is a heavily traveled corridor that connects the Southern San Francisco Bay Area with Interstate 80 and passes through Santa Clara, Alameda, Contra Costa, and Solano counties. Within Contra Costa county, travelers experience congestion, traffic bottlenecks within the corridor, and increased travel times. The Project proposes to construct a northbound express lane from Livorna Road to State Route (SR-) 242 and convert the existing northbound High Occupancy Vehicle (HOV) lane from SR-242 to north of Arthur Road near Martinez to an express lane. the Project has four build alternatives (1C, 2, 3, and 5) and one no build alternative. Alternative 2 has been identified as the Preferred Alternative. The Project is located within Alamo, Walnut Creek, Concord, Pleasant Hill, and Martinez on I-680.

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