Transportation System

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.

In Illinois, businesses, residents, and visitors have access to one of the largest and most effective multi-modal transportation systems in the nation. This includes roads, railways, airways, waterways, canals, and terminals such as airports, railway stations, bus stations, warehouses, and intermodal facilities. Illinois’ centralized geographic location, as well as the diversity of available transportation options, places the Illinois transportation system in an essential role in the nation's ability to move goods and people.

IDOT is responsible for sustaining, strengthening, expanding, and maintaining this system. We do this by partnering with state, federal, and local entities to ensure the transportation network fosters and supports economic growth at the community, regional, state, and national levels. This section of the website showcases information on the Illinois transportation network, how we manage this network, active projects at various phases, research, safety efforts, and much more.

Transportation System

Transportation System

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