Interstate 64 improvement: Green Mount Road to Illinois 158

Welcome to the website for the Interstate 64 improvement project from Green Mount Road to Illinois 158 in St. Clair County, Illinois.  The Illinois Department of Transportation (IDOT) has created this site to provide information about the progress of the project and to facilitate public input and participation in the project.  Please take a few minutes to explore the information available on the site.  Project updates, public involvement opportunities, and relevant information will be posted to the site throughout the project.  Bookmark this page and check back often for the latest news about the project.  If you would like to submit your comments or questions, or sign up for the project mailing list, please visit the Get Involved section of this website.  Thank you for your interest in this Interstate 64 improvement project.  IDOT appreciates your participation and input.

IDOT is currently at the early stages of Phase II for this project. As we make changes, this website will be updated accordingly.