In the U.S. state of Colorado, Interstate 25 follows the north–south corridor through Colorado Springs and Denver. The highway enters the state form the North near Carr and exits the state near Starkville. The highway also runs through the cities of Fort Collins, Loveland, and Pueblo. The route is concurrent with U.S. Highway 87 through the entire length of the state. I-25 replaced U.S. Highway 87 and most of U.S.