Analysis of information sources in references of the Wikipedia article "U.S. Route 191" in English language version.
Redesignate, renumber or eliminate portions of U.S. 666, B-666 and T-666 from Douglas to Sanders.
Extend U.S. Route 191 from the present terminus at the intersection of U.S. Route 287 north of West Yellowstone to the Wyoming State Line, then southeasterly over present U.S. Route 287 to the intersection of U.S. Route 187 at Moran, Wyoming, then southeasterly over U.S. Route 187 to the intersection of I-80 at Rock Springs, then westerly over I-80 to the intersection of SR 373 west of Rock Springs, then southerly over SR 260 to the intersection of SR 44, then southerly over SR 44 to the intersection of U.S. 40 at Vernal, Utah, then westerly over U.S. 40 to the intersection of SR 33 at Duchesne, then southwesterly over SR 33 to the intersection of U.S. Route 6 north of Helper, then southeasterly over U.S. Route 6 to the intersection of U.S. Route 163 at Crescent Jct., then southeasterly over U.S. Route 163 to the intersection of a route to be added to the Utah State Route System at Bluff, then southerly over this route to the Arizona State Line and the intersection of U.S. Route 160 near Mexican Water, Arizona, then westerly over U.S. Route 160 to the intersection of SR 63, then southerly over SR 63 to a new terminus at Chambers, Arizona.