ILLINOIS DEPARTMENT OF TRANSPORTATION
Overweight &/or Over Dimension Permit Office

CONTACT INFORMATION

Order a permit online
www.illinoistruckpermits.com

Email
DOT.Permitoffice@illinois.gov

Phone Numbers
217-785-1477 (outside Illinois) or 800-252-8636 (inside Illinois)

• Ext 1 –Routine OS/OW permits
  • Route checks for Limited Continuous Operation permits and No Route permits
  • Width up to 14’ 6”, Height up to 15’, Length up to 145’
  • Weight up to 120,000 gross (loaded/towed); 3 or more @ 68,000 or 4 or more at 76,000 (own power)
• Ext 2 – Accounting or 217-782-6590
• Ext 3 – Limited Continuous Operation (LCO) Permit questions or 217-785-8968
• Ext 4 – Superload OS/OW Permit or 217-782-6271
  • General questions
  • Superload OS/OW permit questions (permits exceeding “Routine” dimension/weight)

Emergency Permits after hours
Central Office Communication Center - 217-782-2937