U.S. Routes 14, 16, and the eastern section of U.S. 20 have their western terminus at the eastern entrance to Yellowstone National Park and pass through Cody. U.S. 14 runs eastward before joining I-90 at Gillette. U.S. 14 then follows I-90 to the South Dakota border. U.S. 16 and 20 split off of U.S. 14 at Greybull and U.S. 16 turns east at Worland while U.S. 20 continues south Shoshoni. U.S. Route 287 runs from Fort Collins, Colorado, to Laramie, Wyoming, through a pass between the Laramie Mountains and the Medicine Bow Mountains, then merges with US 30 and I-80 until it reaches Rawlins, where it continues north, passing Lander. Outside of Moran, U.S. 287 is part of a large interchange with U.S. Highways 26, 191, and 89, before continuing north to Yellowstone's southern entrance. U.S. 287 continues north of Yellowstone, but the park separates the two sections.
U.S. Routes 14, 16, and the eastern section of U.S. 20 have their western terminus at the eastern entrance to Yellowstone National Park and pass through Cody. U.S. 14 runs eastward before joining I-90 at Gillette. U.S. 14 then follows I-90 to the South Dakota border. U.S. 16 and 20 split off of U.S. 14 at Greybull and U.S. 16 turns east at Worland while U.S. 20 continues south Shoshoni. U.S. Route 287 runs from Fort Collins, Colorado, to Laramie, Wyoming, through a pass between the Laramie Mountains and the Medicine Bow Mountains, then merges with US 30 and I-80 until it reaches Rawlins, where it continues north, passing Lander. Outside of Moran, U.S. 287 is part of a large interchange with U.S. Highways 26, 191, and 89, before continuing north to Yellowstone's southern entrance. U.S. 287 continues north of Yellowstone, but the park separates the two sections.