This area is designed to provides IDOT’s target audiences with our story, past, current, and our vision for tomorrow, as well as provide information on employment and training opportunities and how to stay connected and get involved with transportation efforts near you.
This area is designed to provide a broad overview of the Illinois transportation system that our public partners and stakeholders can utilize to plan the transportation vision, develop sensible policies and make decisions that reflect and meet the needs of Illinois citizens and transportation users.
This area is designed to provide information for all transportation users from a multi-modal perspective, to include specialized resources such as interactive maps, safety-focused videos, and other traveler resources to enrich the Illinois travel experience.
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.
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
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 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 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.
IDOT allows the placement of special signs that provide motorists with business identification and directional information for eligible motorist services, attractions, and tourist-oriented businesses as well as signs intended to raise public awareness of impaired driving and allow families an opportunity to remember the victims of crashes involving impaired drivers.