Permits

IDOT, when necessary, will issue permits for a variety of roadway and state right-of-way purposes. Please select a permit type below to learn more about requirements, application and compliance.

Oversize and Overweight Permits

Permits are issued for all loads that exceed the current legal limits specified by state law. The permit process ensures that inter and intra state commerce needs are considered while ensuring the protection of the state's infrastructure, the efficient flow of traffic and the safety of the motoring public. To obtain a permit, please navigate to the Oversize/Overweight Permit webpage

Outdoor Advertising

IDOT is required, by federal law, to control Outdoor Advertising Adjacent to Primary and Interstate Highways. Permits are issued to those entities that meet the requirements set. To obtain a permit, please navigate to the Outdoor Advertising webpage.

Highway Permits

Highway Permits are required when working within the right-of-way of an Interstate, U.S. state route, Illinois state route, or state maintained roadway. A permit must be obtained prior to the start of any non-utility work in right-of-way. To obtain a permit, please navigate to the Highway Permit web page.

Utility Permits

Utility Permits are required when working within the right-of-way of an Interstate, U.S. state route, Illinois state route, or state maintained roadway. A permit must be obtained prior to the start of any utility work in right-of-way. To obtain a permit, please navigate to the Utility Permit web page.