U.S. Route 6 in Utah

U.S. Route 6 (US-6) is a major east–west state highway through the central part of the U.S. state of Utah. Although it is only about 40 miles (64 km) longer than US-50, it serves more populated areas, and in fact follows what had been US-50's routing until it was moved to follow Interstate 70 (I-70) in 1976. In 2009, the Utah State Legislature named part of the route the Mike Dmitrich Highway,[2][3] which generated controversy, as the state of Utah had previously joined with all the other states through which US-6 passes in naming all of US-6 the Grand Army of the Republic highway.[4]

This article is about the section of U.S. Route 6 in Utah. For the entire route, see U.S. Route 6.

U.S. Route 6
Grand Army of the Republic Highway
US 6 highlighted in red
Route information
Defined by Utah Code §72-4-106
Maintained by UDOT
Length373.963 mi[1] (601.835 km)
Existed1936–present
Major junctions
West end US 6 / US 50 towards Ely, NV
  US-50 in Delta

I-15 from Santaquin to Spanish Fork
US-89 in Moark Junction
US-191 near Price

I-70 near Green River
East end I-70 / US 6 / US 50 towards Grand Junction, CO
Location
CountiesMillard, Juab, Utah, Wasatch, Carbon, Emery, Grand
Highway system
  • State highways in Utah
← US-491→ SR-7

Route description
US-6 and US-50 between Nevada border and Delta

US 6 enters Utah overlapped with US 50 in the Great Basin, a large desert that includes much of western Utah. As part of the Basin and Range Province, the terrain alternates between north–south oriented flat valleys and mountain ranges. US 6 and US 50 cross the Snake Valley, Confusion Range (through Kings Canyon), Tule Valley, House Range (via Skull Rock Pass), and Pahvant Valley (passing north of Sevier Lake), finally reaching the town of Hinckley just before they split in Delta. US 6 turns to the northeast at that city, paralleling the Union Pacific Railroad's Lynndyl Subdivision to the west of the Canyon Mountains, Gilson Mountains, and East Tintic Mountains—three ranges that form the eastern boundary of the Basin and Range Province.[5]

At Tintic Junction, the intersection with SR 36 in the Tintic Valley, US 6 turns east and ascends the East Tintic Mountains. It passes through the mining city of Eureka as it climbs to The Summit, before descending through Homansville Canyon into the Goshen Valley. Although it left behind the UP rail line at Tintic Junction, this part of US 6 parallels the former Tintic Branch of the Denver and Rio Grande Western Railroad, which has been partially abandoned. After passing through Goshen, the highway curves around the north side of Warm Springs Mountain and into the Utah Valley, where it enters Santaquin. On the east side of that city, US 6 begins an overlap with I-15, while the old alignment—SR 198—continues straight through Payson and Salem. After about 13 miles (21 km) together in the Utah Valley, I-15 and US 6 separate in Spanish Fork, the latter turning southeast onto a short two-lane expressway. SR-198 rejoins US 6 on the eastern outskirts of Spanish Fork, and soon thereafter US 89 joins at Moark Junction. The two routes—US 6 and US 89—begin an overlap here that extends through the Spanish Fork Canyon, alongside the UP Provo Subdivision (ex-D&RGW), to Thistle in the Wasatch Range. The remainder of US 6 to the Colorado state line parallels this rail line (which becomes the Green River Subdivision at Helper).[5]

US-6 in Emery County, Utah

US 6 continues alone through the Spanish Fork Canyon, now alongside Soldier Creek, to Soldier Summit on the Wasatch Plateau, where it finally leaves the Great Basin into the watershed of the Colorado River. It begins to descend by following the White River, which empties into the Price River near Colton. The Price River takes US 6 down through the Price Canyon, the west edge of the Book Cliffs, joining US 191 at Castle Gate. The land flattens and opens out at Helper, named for the helper locomotives needed to carry trains up to Soldier Summit, and US 6 continues southeasterly around Price on a two-lane freeway bypass, with the old alignment marked as both a business route and SR 55. Relatively flat land continues as US 6 parallels the Book Cliffs to the southwest and west, crossing the Price River at Woodside. West of Green River, US 6 joins I-70/US 50, which it overlaps for the remainder of its stay in Utah. Now south of the Book Cliffs, the four routes head east to Crescent Junction, where US 191 splits to the south. As it begins to approach the Colorado River, the highway curves northeasterly through the Grand Valley and into Colorado.[5]

According to the National Highway Traffic Safety Administration, there were 519 fatal and serious injury crashes between Spanish Fork and Green River in Utah from 1996–2008, leading the stretch to be considered one of the deadliest roads in the U.S.[6]

US 6 forms an arch-shaped route with Spanish Fork at the apex. The western half of the arch is the road less traveled, passing through the Great Basin Desert, Sevier Lake, Delta, Eureka and the Tintic Standard Reduction Mill.

The eastern half is a popular transportation corridor, paralleling the Denver and Rio Grande Western Railroad's transcontinental line. This half passes over Soldier Summit and the historic railroad hub of Helper.

Starting in the spring of 1983, US 6 was a discontinuous route for almost one year, due to a massive landslide that destroyed the town of Thistle. During this time traffic was routed on two detours. One, via Salina, Utah, was over 200 miles (320 km) long and took traffic almost 100 aerial miles from the route of US 6. The other, via Duchesne, Utah, was shorter. However, this detour traversed steep grades and was not recommended for trucks. The night before the rebuilt US 6 opened, the highway stubs at either side of the landslide were filled with tens of miles of trucks, the drivers tired of the lost revenue from the long detours. The landslide remains the most costly in the history of the United States.[7] Two rest areas along US 6 pay tribute to the residents of the town who lost everything.

Tie Fork Rest Area along U.S. Route 6
Tie Fork Rest Area along U.S. Route 6
Tie Fork Rest Area along U.S. Route 6

US 6 in Utah passes through or by several ghost towns including Tintic, Thistle, Tucker, Soldier Summit, Colton, Woodside and Cisco. Most of these towns were either mining or railroad based.

The 120 miles (190 km) section of US 6 between Spanish Fork and Green River is considered one of the deadliest stretches of highway in the United States. A high volume of trucks and automobiles travel that stretch at interstate speeds, along hairpin turns, through narrow canyons.[8]

Most of the route in Utah is part of the National Highway System, including the 120-mile section referenced above as well as the concurrencies with I-15, I-70, and US 50. However, the segment between Delta and Santaquin is not included in the system.[9]

History

US-6 did not enter Utah until 1936,[10] when it was extended west from Greeley, Colorado to Long Beach, California. The eastern half in Utah, from Colorado to Spanish Fork, overlapped US-50, but after a short segment on US-91 to Santaquin, it followed a route that was new to the U.S. Highway system into Nevada. This road was not yet built to good standards; while it was improved to Hinckley, the remainder across the desert was a graded earth road.[11] It was not paved all the way until 1952, when a new alignment was completed from Hinckley into Nevada;[12] within a few years, US-50 was moved from a long overlap with US-40 (now I-80) south to the new road, completely overlapping US-6 through Utah.[13] US-50 was moved farther south in 1976, due to the completion of I-70 across the San Rafael Swell, separating the two routes between Delta and Green River.[14]

Utah Valley to Colorado

The road from SR-1 (US-91 by 1926, now US-89) in Spanish Fork southeast via Price and Green River to the Colorado state line became a state highway in 1912, with the final section - Spanish Fork to Colton - being added in May.[15] However, the original route was somewhat longer than present-day US-6, most notably between Price and Green River, where travelers went south from Price to Castle Dale via present SR-10 and then east to Green River via what are now county roads north of the San Rafael River (partly along an old never-used Denver and Rio Grande Railroad grade[16]). Other differences included going southeast from Green River to Valley City and northeast to Thompsons.[17] New construction through Price Canyon between Kyune and Castle Gate was made easier by the presence of the Denver and Rio Grande Railroad in the canyon.[18][19] Later that year, the Midland Trail Association was organized in Grand Junction, Colorado to promote a transcontinental auto trail that would include this road.[20]

A 1913 law provided state aid to counties to construct the Midland Trail, with a general route defined. Initially it was to follow the present US-6 via Woodside between Price and Green River, but an amendment changed it to the existing state road through Buckhorn Flat (east of Castle Dale).[21][22] Travelers began using the Midland Trail through eastern Utah in early July 1913, and the road through Price Canyon, replacing a detour via Willow Creek Canyon (US-191) and Emma Park,[23] was completed by the men of Price later that month.[24] A.L. Westgard of the National Highways Association praised the improvements to the road since the previous year, singling out the Price Canyon segment as "almost beyond comprehension".[25] Although it was hoped that it would become part of the Lincoln Highway, the high mountain passes in Colorado convinced that association to designate a route farther north through Wyoming in September 1913. Midland Trail promoters were not discouraged; instead they were determined to continue to improve to the route to make it better than the Lincoln Highway.[26]

The shorter route via Woodside rather than Castle Dale was considered again in 1916, due to problems with maintaining the latter and a new bridge over the Price River at Woodside,[27] and it was adopted as a state road in April. The piece northwest of Sunnyside Junction had already been designated as part of a state road to Sunnyside, the rest of which still exists as SR-123. A cutoff from Springville south to Moark Junction via Mapleton was also added that year.[28]

A 1919 law redefined the state highway system to include only a short list of roads and any federal aid projects. At the urging of Grand County, the route that corresponded to the Midland Trail was realigned to the longer but more scenic road along the Colorado River between Moab and Cisco, including the new Dewey Bridge.[29][30][31] In response to a Carbon County request, the law also removed Price Canyon from the route, instead taking it along the older road through Willow Creek Canyon and Emma Park.[32] Finally, the older route from Spanish Fork to Moark Junction was dropped in favor of the 1916 addition from Springville.[33] Four years later, both counties had changed their minds,[34] and the legislature changed the route back. The Moab-Cisco River Road was entirely dropped (though it was redesignated in the early 1930s as SR-128), but both the Price Canyon and Emma Park routes remained.[35] Also that year, the Bureau of Public Roads approved Utah's seven percent federal-aid system in accordance with the Federal Aid Highway Act of 1921, including the Springville-Colorado segment of the Midland Trail.[36]

In the 1920s, the State Road Commission numbered the Springville-Colorado roadway as State Route 8.[37] Several years later, in 1926, it also became part of U.S. Route 50, which continued east to Annapolis, Maryland (west of Thistle, the road was initially not part of US-50; instead it was the north end of US-89, which ended at Spanish Fork, leaving the Moark Junction-Springville road as simply SR-8).[11][38][39] The legislature officially adopted the SR-8 designation in 1927, dropping the Emma Park alternate, and designating two other roads as SR-8: the Spanish Fork-Moark Junction road, which had been dropped in 1919, and a branch from Soldier Creek Junction northeast via Nine Mile Canyon to Myton,[40] which had been part of the 1919 system.[41] The Myton spur was split off in 1931 as SR-53,[42] and the Spanish Fork spur became SR-105 in 1945.[43] In 1962, SR-8 was truncated to Green River, with the section east of Green River transferred to SR-4. In 1963, SR-8 extended north to north of Lehi, replacing part of SR-1, which was rerouted on current I-15 as that was constructed. In 1964, SR-105 became part of an extended SR-26. In 1969, the section east of Moark Junction became part of SR-27, leaving SR-8 as the legislative designation for US-89 from north of Lehi to Moark Junction. SR-8, SR-27, and SR-4 were cancelled in the 1977 Utah state route renumbering.

The state completely reconstructed US-50 east of Spanish Fork in 1930 and 1931, eliminating most curves and railroad grade crossings, and shortening it by 14 miles (23 km).[44][45]

[46]

Utah Valley to Nevada

The Grand Central Highway was the local name for the road beginning at the Lincoln Highway in Ely, Nevada and running east and northeast through Delta and Eureka to the Arrowhead Trail in Santaquin.[47] Due to its avoidance of the Great Salt Lake Desert that the Lincoln Highway passed through, Ely garage owners were promoting it as the best route to Salt Lake City by May 1921.[48] For the same reason - long stretches of desert - Grand Central Highway promoters believed it to be superior to the Arrowhead Trail for Los Angeles-bound travelers.[49] The Eureka Commercial Club posted a billboard in Santaquin in July, advertising the "shortest and best all year route to California".[50] The Midland Trail Association, whose trail followed the Lincoln Highway's route between Salt Lake City and Ely, adopted the Grand Central as an official alternate route in June 1922.[51] The next year, the state legislature added the road from Santaquin to Silver City (southwest of Eureka) to the state highway system,[52] and in 1925 it was extended to Delta.[53] Along with the road southeast from Delta to Holden, this was designated State Route 26 in 1927, and at the same time the road west from Delta to Nevada was added to the system as State Route 27.[54] (The portion in Nevada became SR 14 in 1925.[55])

In 1925, during early U.S. Highway system planning, the Grand Central Highway was designated as U.S. Route 50's path across western Utah.[56][57] However, when the final plan was approved in late 1926, US-50 had a gap between Ely and Thistle.[38][39] The gap was filled in about 1930 - but via the Wendover Cutoff, far to the north, leaving the Grand Central Highway as only SR-26 and SR-27.[58] The road again received attention in 1932, when the Roosevelt Highway Association was looking for a path for a westward extension of its trail - which had survived the 1920s by being identified with U.S. Route 6 - from Greeley, Colorado to the West Coast. The association tentatively approved a route in April, entering Utah via US-50 to the Utah Valley, and leaving via the Grand Central Highway to Ely. The Delta Lions Club had suggested this alignment for the same reasons that the highway had become popular in the 1920s: cooler weather than the Arrowhead Trail (then US-91).[59] Despite the State Road Commission designating US-40 across the state as the Roosevelt Highway in 1935,[60] the final route, approved by the American Association of State Highway Officials as US-6 in December 1936, followed US-50 and the Grand Central Highway.[10]

However, the designation did not mean that the road would be immediately improved. It was not until September 1952 that paving was completed west of Delta, largely on a new alignment south of the old road. Business Week described the original route as "nothing but a wagon trail-rutted, filled with dust...one of the worst chunks of federal [sic] road in the country." A two-day celebration was held in Delta to mark the occasion.[12]

The town of Dividend was bypassed by a new route through Homansville Canyon in about 1931, and the old route (Dividend Road) initially became a branch of SR-26.[61] It was renumbered State Route 159 in 1945[62] and deleted from the state highway system in 1969.[63] In 1965, SR-26 extended east to SR-8, replacing SR-105. In 1969, SR-27 extended east to Green River, replacing part of SR-26 and part of SR-8.

Thistle landslide
Main article: Thistle, Utah

In April 1983, a massive landslide occurred along the US-6 and US-89 concurrency near Thistle, which closed the highway for eight months. When the highway reopened, it had been substantially rerouted, with US-6 being routed onto a higher alignment. US-89 continued to use part of the original US-6 alignment, but in the opposite direction.

Realignment in Utah Valley

Prior to 1995, US-6 passed directly through the cities of Payson, Salem, and Spanish Fork along what is now SR-198, and the four-lane expressway that ran from I-15 at Spanish Fork southeast to Moark Junction was known as State Route 214.[64][65] However, in 1995 US-6 was moved onto SR-214, completely eliminating that route and introducing a concurrency with Interstate 15. The old alignment between Santaquin and Moark Junction became a new SR-198.[66]

Major intersections
CountyLocationmi[1]kmExitDestinationsNotes
Millard​0.0000.000 US 6 / US 50 west – ElyContinuation into Nevada
​0.6651.070 SR-159
​83.897135.019 SR-257
Delta88.302142.10850 North / 500 WestInterchange; westbound exit and eastbound entrance
89.402143.879 US-50 east – FillmoreEast end of US-50 overlap; serves Delta Community Medical Center
​93.846151.030 SR-136
​99.720160.484 SR-174
Lynndyl105.630169.995 SR-132
JuabTintic Junction136.645–
138.403		219.909–
222.738		 SR-36 – Tooele
UtahElberta149.902241.244 SR-68 – Lehi, Salt Lake City
​155.935250.953 SR-141
Santaquin160.568258.409 I-15 south (Veterans Memorial Highway) / SR-198 east (Main Street east) – Las VegasI-15 exit 244; west end of I-15 overlap
Payson248 SR-178 – Payson, SalemExit numbers follow I-15
250 SR-115 – Payson, Benjamin
​253 SR-164 – Spanish Fork, Benjamin
Spanish Fork257A SR-156 (Main Street) – Spanish ForkEastbound exit and westbound entrance
173.424279.099 I-15 north (Veterans Memorial Highway) – Salt Lake CityI-15 exit 257B; east end of I-15 overlap
177.200285.176 SR-198 west (Canyon Road)
177.950286.383 US-89 north – Mapleton, SpringvilleWest end of US-89 overlap
​187.467301.699 US-89 south – Mt. Pleasant, Ephraim, MantiEast end of US-89 overlap
Wasatch
 No major junctions
Utah​216.169347.890 SR-96
Carbon​229.953370.073 US-191 north – Duchesne, VernalWest end of US-191 overlap
Helper232.676374.456232
US-6 Bus. east (North Main Street)		Interchange
233.323375.497
US-6 Bus. west (Poplar Street) to SR-157
​235.823379.520 SR-139 north to SR-157 – Spring Glen
Price239.921386.115240
US-6 Bus. east (SR-55) – Price		Interchange
241.168388.122241 SR-10 south (Carbon Avenue)Interchange
242.470390.218243
US-6 Bus. west (SR-55) – Price		Interchange
Wellington249.383401.343Nine Mile Canyon RoadFormer SR-53
Sunnyside Junction256.073412.110 SR-123
Emery​300.359483.381 I-70 / US-50 west – SalinaTrumpet interchange; I-70 exit 157; west end of I-70/US-50 overlap
​160 I-70 Bus. / SR-19 east – Green RiverExit numbers follow I-70; I-70 Bus. not signed westbound
Grand​164 I-70 Bus. / SR-19 west – Green RiverI-70 Bus. not signed eastbound
Crescent Junction182 US-191 south – Moab, Crescent JunctionEast end of US-191 overlap; former US-160 east
​187 SR-94 – Thompson Springs
​204 SR-128 – Cisco
​373.963601.835 I-70 east (US 6 / US 50 east)Continuation into Colorado
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References
  1. Utah Department of Transportation, Highway Reference Information: "US-6". (113 KB), updated May 2008, accessed July 2008
  2. McFarland, Sheena (March 12, 2009). "Highway 6 to be named Mike Dmitrich Highway". Salt Lake Tribune. Archived from the original on March 14, 2009. Retrieved April 2, 2009.
  3. "SB 66, 2009 Utah State Legislature". Retrieved October 6, 2014.
  4. Loomis, Brandon (December 21, 2009). "Highway's name irks descendants of Civil war vets". Salt Lake Tribune. Archived from the original on October 10, 2012. Retrieved December 21, 2009.
  5. Google Maps street maps and USGS topographic maps, accessed July 2008 via ACME Mapper
  6. Berkes, Howard (November 29, 2009). "The Deadliest Roads Are Rural". National Public Radio. Retrieved November 29, 2009.
  7. Atwood, Genevieve (1994), "Thistle", in Powell, Allan Kent (ed.), Utah History Encyclopedia, Salt Lake City, Utah: University of Utah Press, ISBN 0874804256, OCLC 30473917, archived from the original on October 10, 2013
  8. . Driver Beware: Rural Roads Are Deadliest, National Public Radio, November 29, 2009
  9. "Utah National Highway System". UDOT Data Portal. Retrieved February 21, 2019.
  10. Times Independent, Roosevelt Highway at Last Gets Official Routing over No. 50 Archived February 15, 2012, at the Wayback Machine, December 31, 1936, p. 5
  11. Rand McNally & Company, Texaco Road Map: Idaho, Montana, Wyoming, 1937
  12. Richard F. Weingroff, Federal Highway Administration, U.S. 6: The Grand Army of the Republic Highway, accessed July 2008
  13. Nevada Department of Highways, 1954 Official Highway Map of Nevada, Prepared by Rand McNally & Company
  14. Utah Department of Transportation, Highway Resolutions: "Route 50". (5.14 MB), updated October 2007, accessed May 2008
  15. Grand Valley Times, Grand County Road is Designated State Highway, May 24, 1912, p. 4
  16. Eastern Utah Advocate, Woodside Cut off the Midland Trail, March 13, 1913, p. 1
  17. Washington County News, Want Good Roads, August 1, 1912, p. 1
  18. Carbon County News, Highway Commission Approves Price Route, May 9, 1912, p. 1
  19. Carbon County News, Price River Route for State Highway, August 15, 1912, p. 1
  20. Carbon County News, Bright Prospects for the Auto Highway, November 7, 1912, p. 1
  21. Carbon County News, They're Kickin' Our Bill Aroun', March 13, 1913, p. 1
  22. Carbon County News, Governor Spry Signs the Midland Trail Bill, March 27, 1913, p. 1
  23. Eastern Utah Advocate, First Man Going via the Midland, July 3, 1913, p. 3
  24. Eastern Utah Advocate, Ocean-to-Ocean Excursionists Arrive at Price by Way of the Midland Trail on Schedule Time, July 17, 1913, p. 1
  25. Eastern Utah Advocate, Price Canyon Route Almost Beyond Belief, July 24, 1913, p. 1
  26. Carbon County News, Nobody Feels Discouraged, September 4, 1913, p. 1
  27. Eastern Utah Advocate, Change Midland Trail, January 21, 1916, p. 8
  28. Fourth Biennial Report, State Road Commission, 1915 and 1916, pp. 80, 114, 294
  29. Grand Valley Times, Adoption of River Road as State Highway is Probable, March 7, 1919, p. 1
  30. Grand Valley Times, Gives Reasons for Building River Road, March 7, 1919, p. 5
  31. Grand Valley Times, Midland Trail Will Come down River by Way of Moab, Legislature Decides, March 14, 1919, p. 14
  32. Grand Valley Times, Good Roads Man Finds Midland Trail O. K., October 9, 1919, p. 1
  33. Utah State Legislature (1919). "Chapter 57: State Road Commission". Session Laws of Utah. (n) From Springville to[sic] Utah county southeasterly via Mapleton, Thistle, Tucker, Soldier's Summit, Colton, Emma Park, Willow Creek Canyon, Castle Gate, Helper, Price, Wellington, Woodside, Green River, Little Grand, Valley City, Moab, Richardson, up the Grand River past Dewey to Cisco and Westwater to the Utah-Colorado State line.
  34. The News-Advocate, Paving Must Come in 1923; Work on Details is Pushed Archived July 23, 2012, at Archive.today, February 1, 1923, p. 1
  35. Utah State Legislature (1923). "Chapter 89: Designation of State Roads". Session Laws of Utah. (n) From Springville in Utah county southeasterly via Mapleton, Thistle, Tucker, Soldier Summit, Colton, Emma Park, Willow Creek Canyon, Castle Gate, Helper, Price, Wellington, Woodside, Green River, Little Grand, Valley City, Thompson's to Cisco and Westwater to the Utah-Colorado State line. From Valley City to Moab. From Monticello in San Juan county, thence easterly via Lockerby to the Utah-Colorado State line." "(t) From Castle Gate in Carbon county, thence northwesterly via Price canyon to intersection with present State road near Kyune.
  36. Washington County News, U.S. Approves Utah Federal Road System, June 21, 1923, p. 1
  37. Rand McNally Auto Road Atlas, 1926
  38. Bureau of Public Roads & American Association of State Highway Officials (November 11, 1926). United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials (Map). 1:7,000,000. Washington, DC: U.S. Geological Survey. OCLC 32889555. Retrieved November 7, 2013 – via University of North Texas Libraries.
  39. American Association of State Highway Officials, United States Numbered Highways, American Highways, April 1927
  40. Utah State Legislature (1927). "Chapter 21: Designation of State Roads". Session Laws of Utah. 8. From Springville southeasterly and from Spanish Fork easterly to mouth of Spanish Fork Canyon, thence southeasterly via Thistle, Soldier Summit, Castle Gate, Price, Soldier Creek Junction, Green River, Floy, Thompson and Cisco to the Utah-Colorado State line near Utaline, Colorado; also from Soldier Creek Junction, Carbon County to Myton, Duchesne county.
  41. Utah State Legislature (1919). "Chapter 57: State Road Commission". Session Laws of Utah. (m) From Price via Wellington, Soldier Canyon and Gate Canyon to Myton.
  42. Utah State Legislature (1931). "Chapter 55: Designation of State Roads". Session Laws of Utah. (53) From Soldier Creek junction on route 8 to Myton on route 6.
  43. Utah State Legislature (1945). "Chapter 61: State Roads and Routes". Session Laws of Utah. Route 105. From Spanish Fork on route 1 easterly to Moark Junction on route 8.
  44. The Times-Independent, U. S. 50 Highway Major Project in Utah for This Year, March 27, 1930, p. 1
  45. The News-Advocate, U. S. Route No. 50 Almost Free of Curves, Crossings, July 30, 1931, p. 4
  46. Utah Department of Transportation, Highway Resolutions: "Route 8". (16.8 MB), updated September 2007, accessed May 2008
  47. Millard County Progress, Address to the Voters, August 22, 1919, p. 1
  48. Eureka Reporter, Sign Will be Erected Diverting Travel to Tintic, May 20, 1921, p. 1
  49. Eureka Reporter, Boosters for New Route to Coast Hold Meeting, June 17, 1921, p. 8
  50. Eureka Reporter, Commercial Club Erects Large Sign at Santaquin, July 8, 1921, p. 1
  51. Eureka Reporter, Grand Central Highway Now Alternate Route Archived July 18, 2012, at Archive.today, June 30, 1922, p. 1
  52. Utah State Legislature (1923). "Chapter 89: Designation of State Roads". Session Laws of Utah. (u) From Santaquin in Utah county, thence in a westerly direction via Goshen, Elberta, and Eureka to Silver City.
  53. Utah State Legislature (1925). "Chapter 71: Designation of State Roads". Session Laws of Utah. (u) From Santaquin in Utah county, thence in a westerly direction via Goshen, Elberta, and Eureka to Silver city, thence in a southerly direction via Jericho, Lynndyl, to Delta.
  54. Utah State Legislature (1927). "Chapter 21: Designation of State Roads". Session Laws of Utah. 26. From Holden northwesterly to Delta, thence northerly via Lynndyl, McIntyre and Silver City to Eureka; thence easterly via Elberta and Goshen to Santaquin. 27. From Delta westerly via Hinckley and Simondson's ranch to the Utah-Nevada line.
  55. "An Act to amend section 8 of an act titled "An act to provide a general highway law for the State of Nevada," approved March 23, 1917, as amended", Chapter 38, Session Laws of Nevada, 1925: "Route 14. Beginning at a point on route 7 at or near Connors Station, thence in an easterly direction to the Nevada-Utah line at or near Baker."
  56. Joint Board on Interstate Highways (1925). "Appendix VI: Descriptions of the Interstate Routes Selected, with Numbers Assigned". Report of Joint Board on Interstate Highways, October 30, 1925, Approved by the Secretary of Agriculture, November 18, 1925 (Report). Washington, DC: United States Department of Agriculture. p. 53. OCLC 733875457, 55123355, 71026428. Retrieved November 14, 2017 – via Wikisource.
  57. Garfield County News, This Section to Have some Real Roads, August 14, 1925
  58. Nevada Department of Highways, Road Map, 1932
  59. Millard County Chronicle, Delta to Have Big through Highway, April 28, 1932, p. 1
  60. Vernal Express, State Designates U. S. 40 as Roosevelt Highway, September 12, 1935, p. 1
  61. Utah State Legislature (1931). "Chapter 55: Designation of State Roads". Session Laws of Utah. (26) From Holden northwesterly to Delta, thence northerly via Lynndyl, McIntyre and Silver City to Eureka, thence easterly via Homansville canyon, Elberta and Goshen to Santaquin, also easterly from Eureka via Dividend to Elberta.
  62. Utah State Legislature (1945). "Chapter 61: State Roads and Routes". Session Laws of Utah. Route 26. From Holden on route 1 northwesterly via Harding to Delta, thence northerly via Lynndyl, and Tintic Junction to Eureka, thence easterly via Elberta and Goshen to Santaquin on route 1." "Route 159. From route 26 near Juab-Utah County line easterly via Dividend to route 26.
  63. Utah Department of Transportation, Highway Resolutions: "Route 159"., updated November 2007, accessed May 2008
  64. Utah Department of Transportation, Highway Resolutions: "Route 214". (739 KB), updated November 2008, accessed January 2019
  65. Utah Department of Transportation, Highway Resolutions: "Route 6". updated November 2008, accessed January 2019
  66. Utah Department of Transportation, Highway Resolutions: "Route 198". updated November 2008, accessed January 2019

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