I-580 Tri Valley Corridor Improvements Overview

Welcome to the I-580 Corridor Improvements Program project website. This web site provides up-to-date information on the planning, design, and construction of improvements along this major transportation corridor. Here you can find project updates, latest news about the program as well as photos from various events and construction sites.

We have also gathered other information such an overview of the various traffic technologies and devices used in the program and links to all the partner agencies.

For real-time traffic information generated by the I-580 Corridor Improvements Program and its partners, please click the map below or click on the Real Time Traffic link to the left.