Solano I-80 corridor between redwood ST in vallejo and orange DR in vacaville this project will upgrade existing ramp meters and activate equipment-R

The Federal Highway Administration awarded the California Department of Transportation $276,039.84 under the Congestion Mitigation and Air Quality Improvement Program (CFDA 20.268) on February 4, 2026, to upgrade existing ramp meters and activate equipment-ready ramps on the Solano I-80 corridor between Redwood Street in Vallejo and Orange Drive in Vacaville. The project will transition corridor operations from locally responsive control to a corridor-wide adaptive ramp metering system designed to improve traffic flow onto the freeway and reduce incidents. Performance of work occurs in California with a completion date of March 31, 2029.

Project description

Solano I-80 corridor between redwood ST in vallejo and orange DR in vacaville this project will upgrade existing ramp meters and activate equipment-ready ramps, transitioning corridor operations from locally responsive control to a corridor-wide adaptive ramp metering system that will improve traffic flow onto the freeway and reduce incidents. (TC).