The Illinois Department of Transportation (IDOT) is authorized by the Illinois Vehicle Code (625 ILCS 5/15-301)and the Permit Office Policy Manual (2015) with respect to highways under its jurisdiction that IDOT may, in their discretion, upon application and good cause being shown therefore, issue special permits authorizing the applicant to operate or move a vehicle or combination of vehicles of a size or weight of vehicle or load exceeding the maximum specified in this Act or otherwise not in conformity with this Act upon any highway under the jurisdiction of the state of Illinois. Oftentimes, in order to complete your move, roads NOT authorized to be permitted by IDOT may be necessary. In all such cases involving local jurisdiction roads, permittees MUST obtain permission from appropriate local authorities prior to movement.
View the Special Vehicle Movement Permit Provisions Form - OPER 993 - PDFNOTE: The OPER 993 form shall be carried in the Vehicle to which the IDOT Oversize/Overweight (OS/OW) Permitapplies.
HINT: If any of the links above do not open when you Left Click on them, try to Right Click on the link and select to open in another tab or window. If this does not work contact the OSOW Permit office at DOT.PermitOffice@Illinois.gov.
EMERGENCY LEGAL LOAD POSTING on I-57 SB at MM 220
Temporary Nighttime Lane and Ramp Closure Reports
ROUTE CLOSURES DUE TO FLOODING
Guidelines on Overweight Permit Moves - Divisibility