To improve the quality of life in Solano County by delivering transportation projects to ensure mobility, travel safety and economic vitality for all.
Click below for more information on FasTrak
Click here to access the Draft Comprehensive Transportation Plan (CTP) Element Projects.
Click below to take the Dixon Community-Based Transportation Plan
More information coming soon
Click below for more information on the I-80 Westbound Truck Scales located in Cordelia
Call 800-535-6883
For more information about bus/rail/ferry
Learn about STA’s Active Transportation Plan
Click below for more information
Transportation Fund for Clean Air
To read about the 2025 Safe Routes to School Plan Update, please click below
In order to alleviate traffic congestion on the I-80 corridor, STA will be working with our member agencies and Caltrans to add a managed lane in either direction from I-505 to Airbase Parkway by 2022. This project will also convert…
State Route 37 Fairgrounds Drive Interchange Improvement Project The Solano Transportation Authority (STA), in partnership with the City of Vallejo, Caltrans, and Solano County, is leading construction on the State Route 37/Fairgrounds Drive Interchange Improvements Project. This project will include…
The proposed project will replace the existing Cordelia Truck Scales along Westbound I‐80, which was constructed in 1958 to inspect trucks entering the San Francisco Bay Area from locations nationwide. It currently accommodates between 500 and 700 trucks per day…
Designated in 2021, the Solano Rail Hub Project – located at the site of the current Suisun-Fairfield Amtrak/Capitol Corridor Station – will serve as an important mobility hub that will connect local and regional modes of public transportation (such as…
Date: April 14, 2026 Agency: 4 - Oakland Contact: Sabrina Martinez Phone: (510) 934-5257 Email: sabrina.martinez@dot.ca.gov UPDATE/REMINDER Daytime Single Lane Closures in Various Locations Along State Route 29 (SR-29) in Vallejo City, Solano County Daily, Monday through Friday, at…
Date: April 14, 2026 Agency: 4 - Oakland Contact: Sabrina Martinez Phone: (510) 934-5257 Email: sabrina.martinez@dot.ca.gov REMINDER: 55 Hour Closure of Solano Ave/Spring Road – Interstate 80 (I-80) On-Ramp Vallejo City, Solano County April 17, 2026, at 07:00 PM…
The STATUS Newsletter is published every month after the STA Board meeting to inform the public and our stakeholders of what’s happening with transportation in Solano County. Click the link HERE to view the March 2026 STATUS Newsletter.
Date: 2 April 2026 Agency: Solano Transportation Authority, Caltrans District 4-Bay Area Contact: Sean Person, Sabrina Martinez Phone: (707) 399-3217, Phone: (510) 934-5257 State Route 37 (SR 37)/Fairgrounds Drive Interchange in Vallejo: Solano Transportation Authority and Caltrans Begin the…