Interstate 55/64 Rehabilitation Project
Mississippi River to I-64
Welcome to the website for the Interstate 55/64 rehabilitation study. The Illinois Department of Transportation is conducting a Phase I Engineering Study to analyze and evaluate the repair, rehabilitation, or replacement of various bridges and pavement on Interstate 55/64 from the Mississippi River to the I-64 interchange, including the Illinois 3 ramps in St. Clair County. We invite you to subscribe for study updates and notifications. Just click here and complete the brief subscription form to be added to our contact list. It’s easy!! Please share this information with your friends and neighbors.