U.S. Route 191 in Utah partially coincident with U.S. Route 40 in Utah
US-6 to US-40
The road connecting Colton on SR-8 (US-50, now US-6) with SR-6 (US-40) in Duchesne became a state highway in 1910. The southwest end was moved from Colton to Castle Gate in 1912, and in 1927 it was numbered State Route 33. Few changes were made to the roadway, and in 1981 it became part of US-191.
partially overlapping with partially intersecting with partially sharing with partially matching with partially aligning with