The STA and Caltrans are working on the Project Approval / Environmental Document (PA/ED) phase of the project, expected to be completed in the Spring of 2008. Recent work on the interchange includes auxiliary lanes built between I-680 and SR 12. Design and construction of the interchange will be conducted in phases between 2007 and 2030.

Download the I-80/I-680/SR-12 Corridor Progress Summer 2007
Download an I-80 Interchange Fact Sheet (May 2007)
To view more information about this project, click here.
The STA, in partnership with Caltrans and FHWA, has developed and considered a wide variety of alternatives for the Project. At the meeting on March 14, 2007, the STA Board approved the public release of two alternatives that are recommended to be carried forward into the Environmental Impact Report/Environmental Impact Statement (EIR/EIS), and to schedule a Public Information/Open House in April 2007 to receive public input.
A Public Informational Open House was held 6:30 p.m. on Wednesday, April 25, 2007 at the Rodriguez High School Multipurpose Room at 5000 Red Top Road in Fairfield.
Click here to download materials available at the 4-25-07 Public Information Open House.
The Truck Scales Relocation Project is considered part of the
I-80/I-680/SR12 Interchange project. Visit the STA Studies page to learn more about the Truck Scales Relocation Project.
Download a Truck Scales Relocation Project Fact Sheet (May 2007) |