Welcome to IDOT's new website design! The address for some web pages has changed, so be sure to update any saved favorites as needed.

Resources

Diverging Diamond Interchange (DDI) Information

An informational video, prepared by the Federal Highway Administration, shows how a DDI operates: https://www.youtube.com/watch?v=eLAwwl3EtN4

Online Virtual Public Meeting Information

Additional information will be posted as it is developed. Please visit this page periodically for project updates.

Illinois Department of Transportation

Hanley Building
2300 S. Dirksen Parkway
Springfield, IL 62764

(217) 782-7820 or
TTY (866) 273-3681

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