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Network Overview

Illinois lies at the heart of the nation’s transportation network. Illinois businesses, residents, and visitors have access to one of the greatest multi-modal transportation systems in the nation including the second largest public transportation system, the second largest rail system, the third largest interstate system, the fourth largest highway system, and one of the busiest airport systems. The success of Illinois, its residents, businesses, and visitors relies on a safe, effective, accessible and progressive transportation system where all modes connect in ways that improve travel options and help build communities.

Download the latest Transportation Fast Facts for information on Illinois' multi-modal transportation system.