Colorado State Highway 318

State Highway 318 (SH 318) is a state highway in Moffat County, Colorado. SH 318's western terminus is at Brown's Park Road at the Utah state line, and the eastern terminus is at U.S. Route 40 (US 40) in Maybell.

Route description
SH 318 runs 60.7 mi, starting north of the Green River in an isolated area known as Browns Park. It connects at the Utah state line with gravel surfaced Brown's Park Road. The highway runs southeast, passing Browns Park National Wildlife Refuge and continuing southeast when the Green River turns south into Dinosaur National Monument. The highway crosses Vermillion Creek, the Little Snake River and the Yampa River before ending at a junction with US 40 in Maybell.