The route begins at a junction with SR-209 on the rural western end of West Jordan, near Copperton.

Past 5400 West, SR-111 turns north and passes the ghost town of Bacchus, where there is currently an industrial presence.

SR-111 continues into Magna and cuts a path through the center of the town before terminating at SR-201, an expressway/freeway that connects the west-central fringes of the county to Salt Lake City.

[8] The final change was a major truncation in 1969, moving the south end of SR-111 to its present location near Copperton, at the New Bingham Highway (SR-48 until 2015, SR-209 since).

[9] The portion of old SR-111 from SR-68 in Riverton to SR-71 in Draper became an extension of SR-71, but the remainder was removed from the state highway system.