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 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…
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 roadway improvements along portions of Fairgrounds Drive and…
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: February 6, 2026 Agency: 4 - Oakland Contact: Sabrina Martinez Phone: (510) 934-5257 Email: sabrina.martinez@dot.ca.gov 12 Hour Full Closure Minor Slough Bridge Schedule: Thursday, Feb. 12 - from 6 a.m. to 6 p.m. SOLANO COUNTY – Caltrans…
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 January 2026 STATUS Newsletter.
Date: January 20, 2026 Agency: 4 - Oakland Contact: Sean Person, Geoffrey Johnson Phone: (707) 399-3217, (510) 421-7348 State Route 37/SR-37- Fairgrounds Drive Interchange- Vallejo Solano Transportation Authority and Caltrans Begin the Next Phase of Construction Expect Delays on Fairgrounds…
Solano Transportation Authority (STA) is working with Caltrans District IV and the Metropolitan Transportation Commission (MTC) to alleviate major congestion on I-80 in Solano County. The Solano I-80 Express/Managed Lanes Project will construct 10 miles of new managed lanes (one…
