Michigan's transportation network is extensive and historically oriented around the automobile. The state is crisscrossed by major Interstate highways, including I-75 (running north-south from the U.P. to Florida), I-94 (connecting Detroit to Chicago), and I-96 (connecting Detroit to Grand Rapids).
Public transit is largely bus-based, with systems like Detroit's DDOT and SMART, and Grand Rapids' The Rapid. Detroit features the QLine streetcar and the automated Detroit People Mover. Intercity rail is provided by Amtrak, including the Wolverine, Blue Water, and Pere Marquette lines.
Detroit Metropolitan Wayne County Airport (DTW) is a major international hub. Maritime transport is critical, with the Great Lakes and St. Lawrence Seaway facilitating heavy freight. The Soo Locks in Sault Ste. Marie are a vital piece of global shipping infrastructure. The state is currently making massive investments in EV charging networks.