State Highway 135 (SH 135) is a 27.48-mile-long (44.22 km) state highway in the U.S. state of Colorado. SH 135's southern terminus is at U.S. Route 50 (US 50) in Gunnison, and the northern terminus is at 6th Street in Crested Butte. It is the primary connection between Crested Butte and the outside world and is the only paved road leading to Crested Butte.