List of state highways in Colorado

The state highways of Colorado are a system of public paved roads funded and maintained by the Colorado Department of Transportation (CDOT) in the U.S. state of Colorado. These are state highways, which are typically abbreviated SH. The numbered highways within the state begin at 1 and increase, with exception of numbers already designated as United States Numbered Highways or Interstate Highways. In 1953, many highways were decommissioned or lost mileage. Before the 1968 Colorado state highway renumbering, highways were cosigned with U.S. Highways and Interstate Highways, and there were highways matching U.S. Highway and Interstate Highway numbers.

State Highways in Colorado
The standard Colorado state highway sign; the top half is the flag of Colorado.
Highway names
InterstatesInterstate X (I-X)
US HighwaysU.S. Highway X (US X)
StateState Highway X (SH X)
System links
  • Colorado State Highway System

State highways

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
SH 1 9.9616.03 US 287 near Fort CollinsI-25 at Wellington 01923-01-01c.1923current Until 1968, continued south of Fort Collins via US 287, US 85, and I-25
SH 2 24.0038.62 US 285 at DenverI-76 near Brighton 01923-01-01c.1923current Until 1968, went west to Utah via US 40 and northeast to Nebraska via US 6 and US 138; rerouted south of US 40 in 1968; extended north to SH 7 in 1998, but that section was given to the city of Brighton in 2010
SH 3 Wyoming borderDenver 01923-01-01c.192301968-01-011968 Carrier route overlapping US 85
SH 3 2.443.93 US 160/US 550 near DurangoUS 160/US 550 near Durango 01981-01-01c.1981current
SH 4 Utah borderKansas border 01923-01-01c.192301968-01-011968 Carrier route overlapping US 24
SH 5 US 87 near CarrUS 85 near Carr 01923-01-01c.192301938-01-011938 Now CR 126
SH 5 SH 259 near WindsorGaleton 01938-01-01c.193801953-01-011953 Now CR 74
SH 5 Iliff Avenue in DenverSH 70 in Denver 01953-01-01c.195301954-01-011954 Syracuse Way, Denver
SH 5 14.8923.96 Summit of Mount Blue SkySH 103 near Idaho Springs 01954-01-011954current
SH 6 Grand JunctionKansas border 01923-01-01c.192301968-01-011968 Carrier route overlapping US 50
SH 7 81.64131.39 US 36 in Estes ParkI-76 in Brighton 01923-01-01c.1923current
SH 8 8.6813.97 US 285 near MorrisonSH 121 at Lakewood 01923-01-01c.1923current Until 1968, continued southwest to US 24/SH 4 via US 285 and continued east to Kansas via Wadsworth Avenue, Jewell Avenue, Pierce Street, Mississippi Avenue, Morrison Road, Alameda Avenue, I-25, and US 40
SH 9 138.92223.57 US 50 near Cañon CityUS 40 in Kremmling 01923-01-01c.1923current Until 1953, continued via Royal Gorge to Cañon City
SH 10 71.96115.81 I-25/US 160 at WalsenburgUS 50 at La Junta 01923-01-01c.1923current Until 1968, continued west to Utah via US 160 and US 491
SH 11 US 6 at WolcottSH 9 at Kremmling 01923-01-01c.192301953-01-011953 southern portion replaced by SH 131; remainder is now Trough Road / CR 1
SH 11 Nevada Avenue in Colorado SpringsNevada Avenue in Colorado Springs 01958-01-01c.195801968-01-011968 Carrier route overlapping I-25
SH 11 1.352.17 US 138 at JulesburgNebraska state line 01970-01-01c.1970current
SH 12 70.36113.23 US 160 at La VetaI-25 at Trinidad 01923-01-01c.1923current Until 1968, continued northeast to La Junta via US 350
SH 13 127.99205.98 I-70 near RifleWYO 789 near Baggs 01923-01-01c.1923current
SH 14 236.92381.29 US 40 at Muddy PassUS 6 at Sterling 01923-01-01c.1923current Until 1968, continued east via US 6 to Nebraska
SH 15 30.9249.76 US 160/US 285 in Monte VistaUS 285 in La Jara 01923-01-01c.1923current
SH 16 US 40 in GranbyUS 6 in Wiggins 01923-01-01c.192301968-01-011968 Carrier route overlapping US 34
SH 16 1.312.11 I-25 in SecuritySH 21 in Widefield 01971-01-011971current Extended east from Syracuse Street to SH 21 (which was created that same day) in October 2007
SH 17 88.5142.4 New Mexico state lineUS 285 south of Villa Grove 01923-01-01c.1923current
SH 18 Julesburg Reservoir near SedgwickUS 138 in Ovid 01938-01-01c.193801953-01-011953
SH 18 I-25 in PuebloUS 50 near Avondale 01958-01-01c.195801968-01-011968
SH 18 0.290.47 Spruce Mountain RoadJct I-25 Exit 172 near Larkspur 01973-01-01197301999-01-01c.1999 Signage not removed until 2001; now Upper Lake Gulch Road; was the shortest state highway with a length of 1531 feet
SH 19 New Mexico borderUS 50 in Montrose 01923-01-01c.192301968-01-011968 Carrier route overlapping US 550
SH 20 SH 119 west of GoldenSH 58/SH 93 in Golden 01934-01-01c.193401951-01-01c.1951 Replaced by US 6
SH 20 BL 70/US 6/US 50 in Grand JunctionUS 6 in Palisade 01956-01-01c.195601968-01-011968 Replaced by parts of BL 70, US 6, and US 50
SH 21 US 85 near PlattevilleUS 85 near Platteville 01923-01-01c.192301939-01-011939 Loop east of US 85 through Platteville
SH 21 Near PaoliNear Paoli 01938-01-01c.193801953-01-011953 Spurs north and south off US 6
SH 21 LoydSH 13 south of Hamilton 01953-01-01c.195301954-01-011954
SH 21 Nebraska borderSH 14 near Stoneham 01954-01-01c.195401964-01-011964 Became part of SH 71
SH 21 20.5633.09 SH 16 (Mesa Ridge Parkway) in Security-WidefieldSH 83 near Black Forest 02007-01-012007current Established in October 2007 and is co-signed with Powers Boulevard
SH 22 20th Street in GreeleyCurrent BL 34 in Greeley 01936-01-01c.193601953-01-011953
SH 22 2.473.98 Brighton Road in HendersonSable Boulevard near Brighton 01953-01-01c.1953current
SH 23 US 138 in OvidNebraska state line 01938-01-01c.193801953-01-011953
SH 23 SH 62 in RidgwayUS 550 near Ouray 01953-01-01c.195301989-01-011989 Now CR 23 and CR 3A
SH 23 17.8328.69 US 385 in HolyokeN-23 at the Nebraska state line 01989-01-011989current Renumbered from SH 176 to avoid confusion with nearby I-76 and to match Nebraska
SH 24 US 6 west of HolyokeUS 385 south of Holyoke 01938-01-01c.193801953-01-011953
SH 24 104th Avenue and Colorado Boulevard in ThorntonSH 2 in Commerce City 01953-01-01c.195301968-01-011968 Renumbered to SH 44 to avoid confusion with US 24.
SH 25 Logan CR 81US 138 in Crook 01938-01-01c.193801968-01-011968 Renumbered to SH 55 during the creation of I-25
SH 26 01938-01-01c.193801940-01-01c.1940
SH 26 01940-01-01c.194001953-01-011953
SH 26 01953-01-01c.195301965-01-011965
SH 26 2.824.54 SH 95 in DenverI-25 in Denver 01966-01-01c.1966current
SH 27 01938-01-01c.193801953-01-011953
SH 27 01953-01-01c.195301956-01-011956
SH 27 01956-01-01c.195601968-01-011968
SH 28 01938-01-01c.193801953-01-011953
SH 28 01953-01-01c.195301989-01-01c.1989
SH 29 01938-01-01c.193801953-01-011953
SH 29 US 87 in Colorado SpringsSH 83 (now Academy Blvd) in Colorado Springs 01964-01-01c.196402007-01-012007 Decommissioned in October 2007 as part of a highway swap to get Powers Blvd. to become SH 21; signage was not removed until spring 2008. Now Circle Dr and Airport Rd.
SH 30 01938-01-01c.193801953-01-011953
SH 30 01953-01-01c.195301954-01-01c.1954
SH 30 20.4132.85 US 285 and I-25 in DenverQuincy Avenue and Gun Club Road in Aurora 01954-01-01c.1954current
SH 31 01938-01-01c.193801953-01-011953
SH 31 01963-01-01c.196301969-01-01c.1969 Swapped out when SH 470 opened to traffic. Now County Line Road[1]
SH 32 01938-01-01c.193801953-01-011953
SH 32 01959-01-01195901962-01-01c.1962 Eastern 5 miles was SH 146 until 1953
SH 32 I-70 exit 286 in AuroraI-70 Bus./US 40/US 287 in Aurora 01968-01-01196802004-01-01c.2004 Now Tower Road
SH 33 01938-01-01c.193801953-01-011953
SH 33 01966-01-01c.196601968-01-011968 Now I-225
SH 33 I-25 near downtown DenverSH 2 in Denver 01968-01-01196802002-01-012002
SH 34 01938-01-01c.193801953-01-011953
SH 35 01938-01-01c.193801953-01-011953
SH 35 1.011.63 I-70 in DenverAlong Quebec Street in Denver 01972-01-011972current
SH 36 01938-01-01c.193801953-01-011953
SH 36 I-25 near downtown DenverSH 2 in Denver 01960-01-01196001968-01-011968 Renumbered SH 33 to avoid confusion with the new SH 36 and US 36
SH 36 I-70 near WatkinsUS 36/SH 40 in Byers 01968-01-011968current
SH 37 US 34 in KerseySH 392 in Lucerne 01938-01-01193802007-01-012007 Until 1953, continued south to US 6 northeast of Hudson; decommissioned in March 2007 as part of the north front range route swap
SH 38 01938-01-01c.193801953-01-011953
SH 38 I-25 in Colorado SpringsI-25 Bus. (now US 87) in Colorado Springs 01963-01-01196302007-01-012007 Decommissioned in October 2007 as part of a highway swap to number Powers Boulevard as SH 21; signage was not removed until spring 2008; now Fillmore Street
SH 39 7.5712.18 I-76 in WigginsSH 144 near Jackson Lake State Park 01938-01-011938current
SH 40 01938-01-01c.193801953-01-011953
SH 40 01963-01-01196301968-01-011968
SH 40 US 36/SH 36 in ByersMain Street in Agate 01968-01-011968current
SH 41 01938-01-01c.193801953-01-011953
SH 41 9.5015.29 US 160SR 162 at the Utah state line
SH 42 01938-01-01c.193801953-01-011953
SH 42 4.877.84 Baseline Road/SH 7 in LafayetteUS 287 in Lafayette 01961-01-01c.1961current Most of this route was part of SH 168 until 1953
SH 43 01938-01-01c.193801953-01-011953
SH 44 01938-01-01c.193801953-01-011953
SH 44 4.957.97 104th Avenue and Colorado Boulevard in ThorntonSH 2 in Commerce City
SH 45 01938-01-01c.193801953-01-011953
SH 45 8.7314.05 I-25 south of PuebloUS 50 northwest of Pueblo 01966-01-011966current Cosigned with Pueblo Boulevard
SH 46 01938-01-01c.193801953-01-011953
SH 46 6.6110.64 SH 119 near Black HawkJefferson County line (becomes CR 70) 01973-01-011973current
SH 47 01938-01-01c.193801953-01-011953
SH 47 4.637.45 I-25 in north PuebloUS 50/SH 96 east of Pueblo 01970-01-01c.1970current
SH 48 01938-01-01c.193801953-01-011953
SH 49 01938-01-01c.193801953-01-011953
SH 49 01967-01-01c.196701968-01-011968
SH 50 01923-01-01c.192301968-01-011968
SH 51 US 50 in GranadaUS 138 in Julesburg 01923-01-01c.192301968-01-011968 Entirely overlapped US 385; until 1953 it continued north to Nebraska via current SH 11 and southeast via Two Buttes, Walsh, Stonington, and Midway to Kansas.
SH 51 SH 7 in BrightonI-76 exit 17 near Brighton 01968-01-01196801998-01-011998 Became part of SH 2; this section of SH 2 was given to the city of Brighton in 2010
SH 52 111179 SH 119 near NiwotSH 14 at Raymer 01923-01-01c.1923current
SH 53 01923-01-01c.192301953-01-011953
SH 53 1.662.67 E. 58th Avenue in DenverSH 224 north of Denver in Adams County 01971-01-011971current
SH 54 01923-01-01c.192301968-01-011968
SH 55 01923-01-01c.192301953-01-011953
SH 55 5.659.09 Logan CR 81US 138 in Crook 01968-01-011968current
SH 56 6.710.8 US 287 west of BerthoudI-25 east of Berthoud 01923-01-01c.1923current Section from US 287 to CR 23 was decommissioned in March 2007 as part of the north front range route swap; continued northwest to US 34 until 1950, and to halfway between US 34 and US 287 until 1953
SH 57 0.530.85 I-70US 24 in Stratton 01923-01-01c.1923current Until 1953, continued north to US 36 in Kirk; truncated to 9 miles north of US 24 in 1953, and to current route in 1992
SH 58 5.438.74 US 6/SH 93 in GoldenI-70 in Wheat Ridge 01923-01-01c.1923current Until 1953, continued west via Golden Gate Canyon Road and SH 46 to SH 119
SH 59 173.30278.90 US 40/US 287 at Kit CarsonUS 138 in Sedgwick 01923-01-01c.1923current Until 1953, continued north to Nebraska and south to Oklahoma
SH 60 19.9932.17 US 287 in CampionUS 85 southwest of Gilcrest 01923-01-01c.1923current
SH 61 40.9965.97 US 34 in OtisUS 6 near Sterling 01923-01-01c.1923current
SH 62 23.4037.66 SH 145 near PlacervilleUS 550 near Ridgeway 01923-01-01c.1923current
SH 63 56.4190.78 US 36 in AntonUS 6 in Atwood 01923-01-01c.1923current
SH 64 73.70118.61 US 40 in DinosaurSH 13 near Meeker 01923-01-01c.1923current
SH 65 61.3898.78 SH 92 near DeltaI-70 near Palisade 01923-01-01c.1923current
SH 66 22.6936.52 US 36 near LyonsUS 85 in Platteville 01923-01-01c.1923current Section from US 36 to Estes Park decommissioned in March 2007 as part of the north front range route swap
SH 67 71.72115.42 SH 96 in WetmoreUS 85 in Sedalia 01923-01-01c.1923current
SH 68 01923-01-01c.192301953-01-011953
SH 68 US 287 in Fort CollinsI-25 in Fort Collins 01968-01-01c.196802005-01-012005 Given to the city of Fort Collins
SH 69 82.87133.37 I-25 Bus. near WalsenburgUS 50 at Texas Creek 01923-01-01c.1923current
SH 70 Kipling Street in MorrisonSH 7 in Brighton 01923-01-01c.192301968-01-011968 Section from US 40/US 287 to Morrison became part of rerouted US 285 and the rest was renumbered SH 51
SH 71 224.65361.54 US 350 near La JuntaN-71 at the Nebraska state line 01923-01-01c.1923current
SH 72 51.5582.96 I-70 in Wheat RidgeSH 7 near Allenspark 01923-01-01c.1923current
SH 73 US 285 in ConiferSH 74 at Evergreen 01923-01-01c.192301965-01-011965 Signs still show SH 73
SH 74 18.0128.98 I-70 at El Rancho exitSH 8 in Morrison 01923-01-01c.1923current
SH 75 3.715.97 SH 470 near LittletonBowles Avenue at Lowry Street in Littleton 01923-01-01c.1923current Previously Unsigned due to theft, however, CDOT replaced the sign between November 2014 and May 2015
SH 76 SH 165 southwest of BeulahSH 45 in southwest Pueblo 01923-01-01c.192301976-01-011976 Renamed SH 78 in 1975 to avoid duplication when I-80S was renamed I-76
SH 77 01923-01-01c.192301954-01-011954 Now CR 77
SH 78 01923-01-01c.192301968-01-011968
SH 78 33.2753.54 SH 165 southwest of BeulahSH 45 in southwest Pueblo 01976-01-011976current
SH 79 23.8938.45 I-70 near BennettSH 52 at Prospect Valley 01923-01-01c.1923current
SH 80 01923-01-01c.192301968-01-011968
SH 81 01923-01-01c.192301938-01-011938 Became part of rerouted SH 2
SH 81 01938-01-01c.193801953-01-011953
SH 82 85.29137.26 I-70 in Glenwood SpringsUS 24 near Granite 01923-01-01c.1923current
SH 83 77.26124.34 SH 21 in north Colorado SpringsSH 2 at Leetsdale Drive/Colorado Boulevard in Denver 01923-01-01c.1923current Section south of Powers Boulevard and spur SH 83 decommissioned as part of a highway swap to designate Powers Boulevard as SH 21 in October 2007; signage did not change until spring 2008; this section is now Interquest Parkway, Voyager Parkway, and Academy Boulevard; Spur SH 83 is now Academy Boulevard
SH 84 01923-01-01c.192301968-01-011968
SH 85 01923-01-01c.192301936-01-011936 Renumbered SH 189 because it intersected US 85
SH 85 01938-01-01c.193801953-01-011953
SH 86 61.4798.93 I-25 in Castle RockI-70 near Limon 01923-01-01c.1923current
SH 87 01923-01-01c.192301968-01-011968 Became part of relocated SH 75
SH 88 18.7630.19 Colfax Avenue and Federal Boulevard in DenverSH 83 in Aurora 01923-01-01c.1923current
SH 89 34.3455.26 SH 116 at Buckeye CrossroadsUS 50/US 400 in Holly 01923-01-01c.1923current
SH 90 41.967.4 Utah State Route 46 at the Utah state lineSH 141 at Vancorum 01923-01-01c.1923current
SH 91 22.5736.32 US 24 near LeadvilleI-70 at Copper Mountain 01923-01-01c.1923current
SH 92 73.29117.95 Crawford Avenue and Main Street in DeltaUS 50 near Sapinero 01923-01-01c.1923current
SH 93 19.8932.01 US 6 in GoldenSH 119 in Boulder 01923-01-01c.1923current
SH 94 86.09138.55 US 24 just east of Colorado SpringsUS 40/US 287 01923-01-01c.1923current
SH 95 14.3223.05 US 285 and Sheridan Boulevard in DenverUS 36 in Westminster 01923-01-01c.1923current
SH 96 207.45333.86 SH 69 in WestcliffeK-96 at the Kansas state line 01923-01-01c.1923current
SH 97 4.587.37 SH 141 near NaturitaMain Street and 3rd Avenue in Nucla 01923-01-01c.1923current
SH 98 01923-01-01c.192301953-01-011953
SH 99 01923-01-01c.192301954-01-011954 Section south of SH 142 deleted 1953; remainder became part of rerouted SH 142
SH 100 TrinidadKansas border 01923-01-01c.192301968-01-011968 Was cosigned with US 160; eliminated when all routes which overlapped US and Interstate Highways entirely were eliminated
SH 100 0.410.66 US 160 north of VilasA & Main streets in Vilas 01968-01-011968current Formerly SH 100 Spur (created in 1965) and was part of SH 197 until 1953
SH 101 21.4134.46 CR K/CR 14US 50 in Las Animas 01923-01-01c.1923current
SH 102 01923-01-01c.192301968-01-011968
SH 103 22.4836.18 I-70 at Idaho SpringsCR 151 and CR 103 at Squaw Pass 01923-01-01c.1923current
SH 104 01923-01-01c.192301953-01-011953
SH 105 32.6352.51 I-25 near MonumentSH 67 near Sedalia 01923-01-01c.1923current Section from I-25 to SH 83 decommissioned as part of a highway swap to designate Powers Boulevard as SH 21 in October 2007; signage did not change until spring 2008
SH 106 01923-01-01c.192301968-01-011968 Carrier route overlapping US 491
SH 107 01923-01-01c.192301925-01-011925 Became part of relocated SH 2 (the old route became SH 144)
SH 107 01931-01-01c.193101953-01-011953
SH 108 01923-01-01c.192301953-01-011953
SH 109 65.33105.14 US 160 near KimCheraw 01923-01-01c.1923current Until 1953, continued north to Genoa
SH 110 0.190.31 US 550 in SilvertonSilverton 01923-01-01c.1923current Signed as CR 110; still a state highway, but is no longer a real part of the state highway system as of November 24, 2006
SH 111 01923-01-01c.192301968-01-01c.1968 Renumbered as an extension of SH 12; continued south to the New Mexico border until 1953
SH 112 27.8044.74 US 160 at Del NorteSH 17 at Hooper 01923-01-01c.1923current
SH 113 18.8330.30 US 138 northeast of SterlingN-19 at Nebraska state line 01923-01-01c.1923current
SH 114 61.7499.36 US 50 near GunnisonUS 285 in Saguache 01923-01-01c.1923current
SH 115 45.9974.01 US 50 in Cañon CityI-25 in Colorado Springs 01923-01-01c.1923current
SH 116 32.3252.01 US 287/US 385 near SpringfieldKansas state line 01923-01-01c.1923current
SH 117 01923-01-01c.192301953-01-011953
SH 118 SH 51 east of Two ButtesKansas state line 01923-01-01c.192301953-01-011953 Became part of SH 116, which also replaced part of SH 51 when it was truncated
SH 119 63.70102.52 US 6 West of Golden in Clear Creek CanyonI-25 near Longmont 01923-01-01c.1923current
SH 120 7.1911.57 SH 115 east of FlorenceUS 50 east of Penrose 01923-01-01c.1923current
SH 121 30.4348.97 Waterton RoadUS 36/US 287/SH 128 in Broomfield 01923-01-01c.1923current
SH 122 Lake Circle in BroadmoorUS 85/US 87/SH 115 in Colorado Springs 01923-01-01c.192301997-01-011997 Was still signed in July 1998
SH 123 01923-01-01c.192301968-01-011968
SH 124 01923-01-01c.192301953-01-011953
SH 125 75.41121.36 US 40 near GranbyWYO 230 at the Wyoming state line 01923-01-01c.1923current
SH 126 01923-01-01c.192301953-01-011953
SH 127 9.2014.81 SH 125 near CowdreyWYO 230 at the Wyoming state line 01923-01-01c.1923current
SH 128 US 40S near HartselSH 77 near Lake George 01924-01-01c.192401929-01-01c.1929 Now part of rerouted US 24
SH 128 1016 SH 93 south of BoulderI-25 in Westminster 01936-01-01c.1936current
SH 129 WYO 70US 40 01923-01-01c.192301953-01-011953 Now CR 129
SH 130 01924-01-01c.192401953-01-011953
SH 131 68.72110.59 I-70/US 6 at WolcottUS 40 south of Steamboat Springs 01923-01-01c.1923current
SH 132 01924-01-01c.192401975-01-011975
SH 133 71.40114.91 SH 92 in HotchkissSH 82 in Carbondale 01923-01-01c.1923current
SH 134 01924-01-01c.192401953-01-011953
SH 134 27.043.5 SH 131 in ToponasUS 40 north of Kremmling 01968-01-011968current
SH 135 27.4844.22 US 50 in GunnisonElk Avenue and 6th Street in Crested Butte 01923-01-01c.1923current
SH 136 4.477.19 US 285 in La Jara2nd Street South in Sanford 01924-01-01c.1924current
SH 137 01923-01-01c.192301953-01-011953
SH 138 01924-01-01c.192401953-01-011953
SH 139 72.07115.99 I-70 in LomaSH 64 in Rangely 01923-01-01c.1923current decommissioned in 1953, but restored in 1963
SH 140 23.437.7 NM 170 at the New Mexico state lineUS 160 near Durango 01925-01-01c.1925current
SH 141 159.7257.0 US 491 near Dove CreekSouth of I-70 in Grand Junction 01923-01-01c.1923current
SH 142 33.854.4 US 285 near RomeoSH 159 in San Luis 01925-01-01c.1925current Until 1954, followed CR-P from SH 99 (now CR-11) to SH 159; rerouted on current route due to restoration of SH 248
SH 143 01923-01-01c.192301953-01-011953
SH 144 28.746.2 I-76 west of WigginsSH 52 in Fort Morgan 01925-01-01c.1925current
SH 145 116.1186.8 US 160 in CortezSH 141 near Naturita 01923-01-01c.1923current
SH 146 01926-01-01c.192601937-01-01c.1937
SH 146 01938-01-01c.193801953-01-01c.1953 Later restored as part of a longer SH 32
SH 146 01970-01-01197001986-01-011986 Became part of SH 141; portions were formerly SH 403
SH 147 01923-01-01c.192301978-01-011978
SH 148 01926-01-01c.192601953-01-011953 decommissioned in 1928 but restored in 1929
SH 149 117.5189.1 US 160 in South ForkUS 50 west of Gunnison 01923-01-01c.1923current
SH 150 16.125.9 US 160 west of BlancaGreat Sand Dunes National Park 01928-01-01c.1928current decommissioned in 1953 but restored in 1960
SH 151 33.954.6 SH 172 in IgnacioUS 160 east of Chimney Rock 01923-01-01c.1923current
SH 152 01928-01-01c.192801982-01-01c.1982
SH 153 01923-01-01c.192301968-01-011968
SH 154 01926-01-01c.192601953-01-011953
SH 155 01923-01-01c.192301953-01-011953
SH 156 01928-01-01c.192801938-01-01c.1938
SH 156 01938-01-01c.193801953-01-011953
SH 157 US 24 near FalconSH 86 in Kiowa 01923-01-01c.192301954-01-011954 Followed Elbert Road then Kiowa–Bennett road until 1953; remainder decommissioned in 1954 in exchange for restoring SH 217
SH 157 3.76.0 US 36 in BoulderSH 119 in Boulder 01974-01-01c.1974current
SH 158 01929-01-01c.192901953-01-011953
SH 159 33.654.1 NM 522 at the New Mexico state lineUS 160 near Fort Garland 01923-01-01c.1923current
SH 160 01929-01-01c.192901968-01-011968
SH 161 01923-01-01c.192301935-01-01c.1935
SH 161 01935-01-01c.193501953-01-011953
SH 162 01929-01-01c.192901984-01-011984
SH 163 01923-01-01c.192301968-01-011968
SH 164 01929-01-01c.192901934-01-01c.1934
SH 164 01935-01-01c.193501953-01-011953
SH 165 37.159.7 SH 96 east of Silver CliffI-25 near Colorado City 01923-01-01c.1923current
SH 166 01933-01-01c.193301953-01-011953
SH 167 4.867.82 CR JJ south of FowlerSH 96 near Fowler 01923-01-01c.1923current
SH 168 US 287/SH 1 in LouisvilleSH 7 in Lafayette 01933-01-01c.193301953-01-01c.1953 Now mostly SH 42; may have been partially restored in 1961, but become part of SH 42 in 1965
SH 169 01923-01-01c.192301970-01-01c.1970
SH 170 01933-01-01c.193301938-01-01c.1938
SH 170 6.9711.22 Eldorado Canyon State ParkUS 36 in Superior 01938-01-01c.1938current
SH 171 01926-01-01c.192601938-01-01c.1938
SH 171 01938-01-01c.193801953-01-011953
SH 172 24.539.4 NM 511 at the New Mexico state lineUS 160 southeast of Durango 01933-01-01c.1933current
SH 173 01926-01-01c.192601938-01-01c.1938
SH 173 01938-01-01c.193801953-01-011953
SH 174 01935-01-01c.193501938-01-01c.1938
SH 174 01938-01-01c.193801953-01-011953
SH 175 01926-01-01c.192601938-01-01c.1938
SH 175 01938-01-01c.193801953-01-011953
SH 176 US 385 in HolyokeN-23 at the Nebraska state line 01935-01-01c.193501989-01-011989 Decommissioned in 1952; restored in 1968; changed to SH 23 to avoid confusion with nearby I-76 and to match Nebraska
SH 177 6.119.83 SH 470 at Highlands RanchUS 285 in Cherry Hills Village 01928-01-01c.1928current
SH 178 01935-01-01c.193501940-01-01c.1940
SH 178 01940-01-01c.194001953-01-011953
SH 179 01929-01-01c.192901953-01-011953
SH 180 01935-01-01c.193501968-01-011968
SH 181 01929-01-01c.192901953-01-011953
SH 182 01939-01-01c.193901968-01-011968
SH 183 1.001.61 Fort LyonUS 50 near Las Animas 01933-01-01c.1933current
SH 184 25.541.0 US 491 near LewisUS 160 Bus. in Mancos 01938-01-01c.1938current
SH 185 01933-01-01c.193301968-01-011968
SH 186 01933-01-01c.193301953-01-011953
SH 187 0.691.11 SH 133 near PaoniaPaonia 01934-01-01c.193402010-01-012010 Now Grand Avenue
SH 188 01938-01-01c.193801953-01-011953
SH 189 01935-01-01c.193501953-01-011953
SH 190 01938-01-01c.193801953-01-011953
SH 191 01938-01-01c.193801953-01-011953
SH 192 01938-01-01c.193801968-01-01c.1968
SH 193 01938-01-01c.193801953-01-011953
SH 194 20.3332.72 SH 109 near La JuntaUS 50 near Las Animas 01938-01-01c.1938current
SH 195 01938-01-01c.193801953-01-011953
SH 196 8.9214.36 US 50 near McClaveUS 287 near Wiley 01938-01-01c.1938current
SH 197 10.0016.09 US 160/SH 100 north of VilasCR T south of Vilas 01938-01-01c.193801953-01-01c.1953 Northern portion later restored as SH 100 Spur, and is now SH 100
SH 198 01938-01-01c.193801953-01-011953
SH 199 01938-01-01c.193801953-01-011953
SH 200 01938-01-01c.193801951-01-01c.1951
SH 200 01951-01-01c.195101968-01-01c.1968
SH 201 01938-01-01c.193801953-01-011953
SH 202 3.235.20 Otero CR 16/CR FFUS 50 in Rocky Ford 01938-01-01c.1938current
SH 203 01938-01-01c.193801953-01-011953
SH 204 01938-01-01c.193801953-01-011953
SH 205 01938-01-01c.193801953-01-011953
SH 206 01938-01-01c.193801953-01-011953
SH 207 5.949.56 US 50 in ManzanolaSH 96 in Crowley 01938-01-01c.1938current
SH 208 01938-01-01c.193801953-01-011953
SH 209 1.532.46 US 50SH 96 in Boone 01938-01-01c.1938current
SH 210 01938-01-01c.193801953-01-011953
SH 211 01938-01-01c.193801953-01-011953
SH 212 01938-01-01c.193801953-01-011953
SH 213 01938-01-01c.193801953-01-011953
SH 214 01938-01-01c.193801953-01-011953
SH 215 01938-01-01c.193801953-01-011953
SH 216 01938-01-01c.193801953-01-011953
SH 217 01938-01-01c.193801964-01-01c.1964 decommissioned in 1953, but partially restored in 1954
SH 218 01938-01-01c.193801951-01-01c.1951
SH 218 01951-01-01c.195101953-01-011953
SH 219 01938-01-01c.193801953-01-011953
SH 220 01938-01-01c.193801953-01-011953
SH 221 01938-01-01c.193801953-01-011953
SH 222 01938-01-01c.193801953-01-011953
SH 223 01938-01-01c.193801953-01-011953
SH 224 3.635.84 US 36US 6/US 85 01938-01-01c.1938current
SH 225 01938-01-01c.193801953-01-011953
SH 226 01938-01-01c.193801953-01-011953
SH 227 1.852.98 US 50 Bus.SH 96 in Pueblo sections south of US 50 Bus. and north of SH 96 eliminated 1953
SH 228 01938-01-01c.193801954-01-01c.1954 section west of SH 227 removed 1953; rerouted south replacing part of SH 227
SH 229 01938-01-01c.193801953-01-011953
SH 230 01938-01-01c.193801939-01-01c.1939
SH 230 01940-01-01c.194001953-01-011953
SH 231 2.053.30 US 50 Bus.US 50/SH 96 near Pueblo 01938-01-01c.1938current
SH 232 01938-01-01c.193801953-01-011953
SH 233 US 50 Bus.US 50/SH 96 near Pueblo 01938-01-01c.193802017-01-012017
SH 234 01938-01-01c.193801953-01-011953
SH 235 01938-01-01c.193801953-01-011953
SH 236 01938-01-01c.193801953-01-011953
SH 237 01938-01-01c.193801953-01-011953
SH 238 01938-01-01c.193801953-01-011953
SH 239 3.355.39 US 160 in TrinidadCR 32/CR 75 section northeast of El Moro removed 1955
SH 240 01938-01-01c.193801954-01-01c.1954
SH 241 01938-01-01c.193801953-01-011953
SH 242 01938-01-01c.193801982-01-011982
SH 243 01938-01-01c.193801951-01-01c.1951
SH 244 01938-01-01c.193801953-01-011953
SH 245 01938-01-01c.193801961-01-01c.1961
SH 246 01938-01-01c.193801953-01-011953
SH 247 01938-01-01c.193801953-01-011953
SH 248 01938-01-01c.193801982-01-011982 decommissioned in 1953, but restored in 1954
SH 249 01938-01-01c.193801953-01-011953
SH 250 01938-01-01c.193801948-01-011948
SH 251 01938-01-01c.193801953-01-011953
SH 252 01938-01-01c.193801953-01-011953
SH 253 01938-01-01c.193801953-01-011953
SH 254 01938-01-01c.193801953-01-011953
SH 255 01938-01-01c.193801953-01-011953
SH 256 SH 60 in MillikenUS 85 in Peckham 01938-01-01c.193802007-01-012007 Decommissioned in March 2007 as part of the north front range route swap
SH 257 18.4829.74 SH 60 in MillikenSH 14 east of Fort Collins 01938-01-01c.1938current
SH 258 01938-01-01c.193801953-01-011953
SH 259 01938-01-01c.193801953-01-011953
SH 260 01938-01-01c.193801953-01-011953
SH 261 01938-01-01c.193801951-01-01c.1951
SH 262 01938-01-01c.193801965-01-01c.1965
SH 263 2.734.39 US 85 in GreeleyGreeley 01938-01-01c.1938current Section from US 85 Bus. to US 85 and from current east end to SH 37 decommissioned in March 2007 as part of the North Front Range route swap
SH 264 01938-01-01c.193801953-01-011953
SH 265 01938-01-01c.193801941-01-01c.1941
SH 265 3.625.83 I-70 at DenverUS 6/US 85 at Commerce City 01941-01-01c.1941current
SH 266 01938-01-01c.193801939-01-01c.1939
SH 266 01949-01-01c.194901951-01-01c.1951
SH 266 11.5218.54 US 50/SH 17 at Rocky FordSH 109 near Cheraw 01951-01-01c.1951current
SH 267 01938-01-01c.193801953-01-011953
SH 268 01938-01-01c.193801953-01-011953
SH 269 01938-01-01c.193801953-01-011953
SH 270 01938-01-01c.193801953-01-011953
SH 271 01938-01-01c.193801939-01-01c.1939
SH 271 01939-01-01c.193901941-01-01c.1941
SH 271 01942-01-01c.194201953-01-011953
SH 272 01938-01-01c.193801953-01-011953
SH 273 01938-01-01c.193801953-01-011953
SH 274 01938-01-01c.193801953-01-011953
SH 275 01938-01-01c.193801953-01-011953
SH 276 01938-01-01c.193801953-01-011953
SH 277 01938-01-01c.193801953-01-011953
SH 278 01938-01-01c.193801986-01-011986
SH 279 SH 119 in Black HawkCentral City 01938-01-01c.193801999-01-011999 Originally routed from Squaw Pass through Idaho Springs to Apex, northwest of Central City
SH 280 01938-01-01c.193801953-01-011953
SH 281 01938-01-01c.193801953-01-011953
SH 282 01938-01-01c.193801953-01-011953
SH 283 01938-01-01c.193801953-01-011953
SH 284 01938-01-01c.193801953-01-011953
SH 285 01938-01-01c.193801953-01-011953
SH 286 01938-01-01c.193801953-01-011953
SH 287 01938-01-01c.193801953-01-011953
SH 288 01938-01-01c.193801953-01-011953
SH 289 01938-01-01c.193801953-01-011953
SH 290 01938-01-01c.193801953-01-011953
SH 291 9.1414.71 US 50 at SalidaUS 285 01938-01-01c.1938current
SH 292 01938-01-01c.193801953-01-011953
SH 293 01938-01-01c.193801953-01-011953 swapped with SH 78/US 6 when Vail Pass was completed
SH 294 01938-01-01c.193801953-01-011953
SH 295 01938-01-01c.193801953-01-011953
SH 296 01938-01-01c.193801953-01-011953
SH 297 01938-01-01c.193801953-01-011953
SH 298 01938-01-01c.193801953-01-011953
SH 299 01938-01-01c.193801953-01-011953
SH 300 3.365.41 US 24 near LeadvilleLeadville National Fish Hatchery 01938-01-01c.1938current
SH 301 01938-01-01c.193801953-01-011953
SH 302 01938-01-01c.193801953-01-011953
SH 303 01938-01-01c.193801953-01-011953
SH 304 01938-01-01c.193801953-01-011953
SH 305 01938-01-01c.193801953-01-011953
SH 306 01938-01-01c.193801984-01-011984
SH 307 01938-01-01c.193801953-01-011953
SH 308 01938-01-01c.193801953-01-011953
SH 309 01938-01-01c.193801953-01-011953
SH 310 01938-01-01c.193801953-01-011953
SH 311 01938-01-01c.193801953-01-011953
SH 312 01938-01-01c.193801953-01-011953
SH 313 01938-01-01c.193801953-01-011953
SH 314 01938-01-01c.193801953-01-011953
SH 315 01938-01-01c.193801953-01-011953
SH 316 01938-01-01c.193801953-01-011953
SH 317 12.2419.70 SH 13 in HamiltonCR 29 01938-01-01c.1938current
SH 318 60.4697.30 Utah state lineUS 40 west of Maybell 01938-01-01c.1938current
SH 319 01938-01-01c.193801939-01-01c.1939
SH 319 01939-01-01c.193901941-01-01c.1941
SH 319 01941-01-01c.194101953-01-011953
SH 320 01938-01-01c.193801953-01-011953
SH 321 01938-01-01c.193801953-01-011953
SH 322 01938-01-01c.193801953-01-011953
SH 323 01938-01-01c.193801953-01-011953
SH 324 01938-01-01c.193801953-01-011953
SH 325 11.3918.33 SH 13 north of RifleCR 217 in Rifle Mountain Park 01938-01-01c.1938current
SH 326 01938-01-01c.193801953-01-011953
SH 327 01938-01-01c.193801953-01-011953
SH 328 01938-01-01c.193801953-01-011953
SH 329 01938-01-01c.193801953-01-011953
SH 330 11.3918.33 SH 65Grove Creek Road in Collbran 01938-01-01c.1938current
SH 331 01938-01-01c.193801953-01-011953
SH 332 01938-01-01c.193801953-01-011953
SH 333 01938-01-01c.193801953-01-011953
SH 334 01938-01-01c.193801953-01-011953
SH 335 01938-01-01c.193801953-01-011953
SH 336 01938-01-01c.193801941-01-01c.1941
SH 336 01942-01-01c.194201954-01-01c.1954
SH 337 01938-01-01c.193801953-01-011953
SH 338 01938-01-01c.193801953-01-011953
SH 339 01938-01-01c.193801953-01-011953
SH 340 13.3621.50 US 6 in FruitaI-70 Bus. in Grand Junction 01938-01-01c.1938current
SH 341 01938-01-01c.193801953-01-011953
SH 342 01938-01-01c.193801948-01-01c.1948
SH 342 01949-01-01c.194901953-01-011953
SH 343 01938-01-01c.193801953-01-011953
SH 344 01938-01-01c.193801953-01-011953
SH 345 01938-01-01c.193801953-01-011953
SH 346 01938-01-01c.193801953-01-011953
SH 347 5.178.32 US 50 near MontroseInside Black Canyon of the Gunnison National Park 01938-01-01c.1938current
SH 348 17.0527.44 US 50 in DeltaUS 50 in Olathe 01938-01-01c.1938current
SH 349 01938-01-01c.193801953-01-011953
SH 350 01938-01-01c.193801953-01-011953
SH 351 01938-01-01c.193801953-01-011953
SH 352 01938-01-01c.193801953-01-011953
SH 353 01938-01-01c.193801953-01-011953
SH 354 01938-01-01c.193801953-01-011953
SH 355 01938-01-01c.193801951-01-01c.1951
SH 355 01951-01-01c.195101967-01-01c.1967
SH 356 01938-01-01c.193801953-01-011953
SH 357 01938-01-01c.193801953-01-011953
SH 358 01938-01-01c.193801953-01-011953
SH 359 01938-01-01c.193801953-01-011953
SH 360 01938-01-01c.193801953-01-011953
SH 361 01938-01-01c.193801984-01-011984
SH 362 01938-01-01c.193801953-01-011953
SH 363 01938-01-01c.193801953-01-011953
SH 364 01938-01-01c.193801953-01-011953
SH 365 01938-01-01c.193801953-01-011953
SH 366 01938-01-01c.193801953-01-011953
SH 367 01938-01-01c.193801953-01-011953
SH 368 12.3319.84 SH 370US 285 near Alamosa 01938-01-01c.1938current
SH 369 01938-01-01c.193801953-01-011953
SH 370 14.1522.77 SH 15US 285 near Alamosa 01938-01-01c.1938current
SH 371 6.079.77 SH 15 near La JaraSH 368 01938-01-01c.1938current
SH 372 01938-01-01c.193801953-01-011953
SH 373 01938-01-01c.193801953-01-011953
SH 374 01938-01-01c.193801990-01-011990
SH 375 01938-01-01c.193801953-01-011953
SH 376 01938-01-01c.193801953-01-011953
SH 377 01938-01-01c.193801953-01-011953
SH 378 01938-01-01c.193801953-01-011953
SH 379 01938-01-01c.193801953-01-011953
SH 380 01938-01-01c.193801953-01-011953
SH 381 01946-01-01c.194601953-01-011953
SH 382 01938-01-01c.193801967-01-01c.1967
SH 383 01946-01-01c.194601953-01-011953
SH 384 01938-01-01c.193801953-01-011953
SH 385 01947-01-01c.194701953-01-011953
SH 386 01947-01-01c.194701953-01-011953
SH 387 01947-01-01c.194701948-01-01c.1948 renumbered SH 388
SH 387 01948-01-01c.194801953-01-011953
SH 388 01948-01-01c.194801953-01-011953
SH 389 12.6520.36 New Mexico state line, near BransonUS 160 01949-01-01c.1949current
SH 390 01949-01-01c.194901953-01-011953
SH 391 9.5115.30 US 285 in LakewoodI-70 in Wheat Ridge 01951-01-01c.1951current
SH 392 45.3372.95 US 287 near Fort CollinsSH 14 near Briggsdale 01949-01-01c.1949current Extended east from CR 55 to SH 14 and west from I-25 to SH 287 in March 2007 as part of the north front range route swap
SH 393 01950-01-01c.195001953-01-011953
SH 394 9.2514.89 Victory Way in Craig/US 40Moffat CountyRoutt County line 01949-01-01c.1949current
SH 395 01950-01-01c.195001953-01-011953
SH 396 01950-01-01c.195001953-01-011953
SH 397 01950-01-01c.195001953-01-011953
SH 398 Eldorado SpringsSH 93 01950-01-01c.195001977-01-011977 Renumbered as an extension of SH 170
SH 399 01951-01-01c.195101953-01-011953
SH 400 01951-01-01c.195101958-01-01c.1958
SH 401 01951-01-01c.195101953-01-011953
SH 402 4.236.81 US 287 in LovelandI-25 01951-01-01c.1951current
SH 403 01951-01-01c.195101953-01-011953 Later restored as part of a longer SH 146
SH 404 01951-01-01c.195101953-01-011953
SH 470 27.2943.92 US 6 in GoldenI-25/E-470 in Lone Tree 01970-01-01c.1970current Was originally planned as Interstate 470
SH 789 396637 US 666 at the New Mexico state lineWYO 789 near Baggs 01954-01-01c.195401984-01-01c.1984 Was to be part of a proposed US 789 through Colorado, now part of US 491, US 160, US 550, US 50, I-70 and SH 13
  •       Former

Special routes

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes

SH 7 Bus.
1.5922.562 SH 7 in AllensparkSH 7 east of Allenspark

SH 78 Bus.
1.4932.403 CR 225 (Central Avenue) in BeulahSH 78 in Beulah Valley

SH 109 Spur
0.20.32 US 50 in La JuntaSH 109 in La Junta 01939-01-011939current Runs down on Bradish Avenue from US 50 and then on 3rd Street to SH 109 (Adams Avenue)

SH 119 Spur
0.20.32 US 6SH 119 01998-01-01199801998-01-011998 Temporary designation for the current SH 119 at the US 6 intersection during a reconstruction project. SH 119 was planned to be shifted to what is now an abandoned tunnel

SH 257 Spur
1.11.8 Barricade near SH 257 south of WindsorUS 34 Bus. near Greeley 01955-01-011955 Former spur route of SH 257. Only indicated at the intersection with US 34 Bus
  •       Former

See also

References

  1. Colorado Department of Highways (1969). Colorado Travel Map (PDF) (Map). 1:950,400. Denver: Colorado Department of Highways. Retrieved September 20, 2021.
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