Interstate 94 (I-94) is a part of the Interstate Highway System that runs from Billings, Montana, to the Lower Peninsula of the US state of Michigan. In Michigan, it is a state trunkline highway that enters the state south of New Buffalo. It runs east through the metropolitan areas of Benton Harbor, Kalamazoo, Battle Creek, Jackson, Ann Arbor, and portions of Metro Detroit, before angling northeasterly to Port Huron, where it terminates on the Blue Water Bridge at the US–Canadian border.