Interstate 75 (I-75)

I-75 runs 1,786 miles from Miami north through Tampa, Atlanta, Chattanooga, Lexington, Cincinnati, Detroit, and Flint to the Sault Ste. Marie Canada border crossing. It is the primary Great Lakes north-south corridor and the main artery for the US auto industry supply chain. The Michigan segment experiences severe lake-effect snow and ice, Atlanta is a major congestion flashpoint, and the Alligator Alley segment through the Florida Everglades is a long, remote two-lane toll stretch with wildlife hazards and limited emergency services.

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