About IDOT
About IDOT
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.
Transportation System
Transportation System
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.
Doing Business
Doing Business
This area is designed to be a one-stop resource for business functions in a way that supports transparency, inclusion and fair business practices.
Travel Information
Travel Information
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.

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Interstate commerce is an integral part of Illinois. It helps in the buying and selling of goods and services, which are often transported to another state or country. This type of activity improves the economic competitiveness of Illinois industries in the global marketplace. In addition to global competitiveness, IDOT cares about the safety of all motorists and travelers. State and federal safety regulations require drivers of commercial motor vehicles, including large trucks and motor coaches, to meet certain minimum standards when operating on Illinois interstates and highways. IDOT issues commercial vehicle registration and oversize and overweight permits to ensure the safety of truckers and motorists alike, to protect and preserve our highway infrastructure, and to accommodate commercial operations as conveniently as possible.

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