(1) SR-21. From the Utah-Nevada state line near Garrison southerly and easterly to Beaver to Route 160.
(2) SR-22. From Antimony Bridge northerly to Route 62.
(3) SR-23. From Route 91 south of Wellsville northerly through Wellsville, Mendon, Petersboro, Newton, and Cornish to the Utah-Idaho state line near Weston, Idaho.
(4) SR-24. From Route 50 near Salina southerly through Loa to Hanksville; then northeasterly to Route 70 at Buckmaster Interchange west of Green River.
(5) SR-25. From Fish Lake Junction on Route 24 northerly to near Bowery Haven Campground.
(6) SR-26. From Route 126 in Roy easterly to Route 89 in Ogden.
(7) SR-28. From Route 89 in Gunnison northerly through Levan and Nephi to Route 15 north of Nephi.
(8) SR-29. From Joes Valley Reservoir easterly through Orangeville Junction to Route 10 north of Castle Dale.
(9) SR-30. From the Utah-Nevada state line northeasterly through Curlew Junction to Route 84 west of Snowville; then beginning again at a junction with Route 15 west of Riverside easterly through Collinston to Route 91 in Logan; then beginning again at a junction with Route 89 in Garden City southeasterly through Sage Creek Junction to the Utah-Wyoming state line.