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Contact
Illinois Department of Transportation
Region 4 / District 6 Office
126 East Ash Street, Springfield, IL 62704
| Name | Title | Telephone |
| Jeff South | IDOT - Region 4 Engineer | (217) 342-8201 |
| Jeff Myers | IDOT - Program Development Engineer | (217) 782-7331 |
| Sal Madonia | IDOT - Acting Studies and Plans Engineer | (217) 782-4760 |
| Keith Donovan | IDOT - Studies and Plans Project Engineer | (217) 782-4761 |
| Tom Cox | IDOT - Studies and Plans Team Manager | (217) 524-7940 |
| Lori Williams | IDOT - Geometrics Engineer | (217) 785-6244 |