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Stone Valley Road Southbound On-Ramp Widening and Wall Replacement

Sector: Broadband • Location: Alamo, California, United States

Source: Danville San Ramon

Project
Under Construction

The project involves lane widening and wall replacement along the southbound on-ramp to Interstate 680 at Stone Valley Road in Alamo. It includes reconstruction of the retaining wall and soundwall, fiber optic installation, and ramp metering system improvements as part of infrastructure improvements along the I-680 corridor in Contra Costa County.

Status
Under Construction
Sector
Broadband, Road, Telecommunications
Location
Alamo, California, United States of America
Updated
22 Jul 2026
Source
Danville San Ramon

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Project Information

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The project “Stone Valley Road Southbound On-Ramp Widening and Wall Replacement” is an infrastructure initiative in the Broadband sector, located in Alamo, California, United States. Taiyo aggregates data on it from Danville San Ramon.

Participants

Not available for this record.

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The project involves lane widening and wall replacement along the southbound on-ramp to Interstate 680 at Stone Valley Road in Alamo. It includes reconstruction of the retaining wall and soundwall, fiber optic installation, and ramp metering system improvements as part of infrastructure improvements along the I-680 corridor in Contra Costa County.

Original sector

Transportation

Location

Country

United States of America (USA)

State

California

City

Alamo

Source

Source

Danville San Ramon

URL

More Details

Record type

Project

Sector

Broadband, Road, Telecommunications

Article published date

2026-03-18

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