List of state highways in Colorado
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| State Highways in Colorado | |
|---|---|
 The standard Colorado state highway sign; the top half is the flag of Colorado. | |
| Highway names | |
| Interstates | Interstate X (I-X) |
| US Highways | U.S. Highway X (US X) |
| State | State Highway X (SH X) |
| System links | |
| |
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
| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 SH 1
|
9.96 | 16.03 | US 287 near Fort Collins | I-25 at Wellington | c. 1923 | current | Until 1968, continued south of Fort Collins via US 287, US 85, and I-25 | |
 SH 2
|
24.00 | 38.62 | US 285 at Denver | I-76 near Brighton | c. 1923 | current | 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 border | Denver | c. 1923 | 1968 | Carrier route overlapping US 85 | |
 SH 3
|
2.44 | 3.93 | US 160/US 550 near Durango | US 160/US 550 near Durango | c. 1981 | current | ||
 SH 4
|
— | — | Utah border | Kansas border | c. 1923 | 1968 | Carrier route overlapping US 24 | |
 SH 5
|
— | — | US 87 near Carr | US 85 near Carr | c. 1923 | 1938 | Now CR 126 | |
 SH 5
|
— | — | SH 259 near Windsor | Galeton | c. 1938 | 1953 | Now CR 74 | |
 SH 5
|
— | — | Iliff Avenue in Denver | SH 70 in Denver | c. 1953 | 1954 | Syracuse Way, Denver | |
 SH 5
|
14.89 | 23.96 | Summit of Mount Evans | SH 103 near Idaho Springs | 1954 | current | ||
 SH 6
|
— | — | Grand Junction | Kansas border | c. 1923 | 1968 | Carrier route overlapping US 50 | |
 SH 7
|
81.64 | 131.39 | US 36 in Estes Park | I-76 in Brighton | c. 1923 | current | ||
 SH 8
|
8.68 | 13.97 | US 285 near Morrison | SH 121 at Lakewood | c. 1923 | current | 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
|
138.92 | 223.57 | US 50 near Cañon City | US 40 in Kremmling | c. 1923 | current | Until 1953, continued via Royal Gorge to Cañon City | |
 SH 10
|
71.96 | 115.81 | I-25/US 160 at Walsenburg | US 50 at La Junta | c. 1923 | current | Until 1968, continued west to Utah via US 160 and US 491 | |
 SH 11
|
— | — | US 6 at Wolcott | SH 9 at Kremmling | c. 1923 | 1953 | southern portion replaced by SH 131; remainder is now Trough Road / CR 1 | |
 SH 11
|
— | — | Nevada Avenue in Colorado Springs | Nevada Avenue in Colorado Springs | c. 1958 | 1968 | Carrier route overlapping I-25 | |
 SH 11
|
1.35 | 2.17 | US 138 at Julesburg | Nebraska state line | c. 1970 | current | ||
 SH 12
|
70.36 | 113.23 | US 160 at La Veta | I-25 at Trinidad | c. 1923 | current | Until 1968, continued northeast to La Junta via US 350 | |
 SH 13
|
127.99 | 205.98 | I-70 near Rifle | WYO 789 near Baggs | c. 1923 | current | ||
 SH 14
|
236.92 | 381.29 | US 40 at Muddy Pass | US 6 at Sterling | c. 1923 | current | Until 1968, continued east via US 6 to Nebraska | |
 SH 15
|
30.92 | 49.76 | US 160/US 285 in Monte Vista | US 285 in La Jara | c. 1923 | current | ||
 SH 16
|
— | — | US 40 in Granby | US 6 in Wiggins | c. 1923 | 1968 | Carrier route overlapping US 34 | |
 SH 16
|
1.31 | 2.11 | I-25 in Security | SH 21 in Widefield | 1971 | current | Extended east from Syracuse Street to SH 21 (which was created that same day) in October 2007 | |
 SH 17
|
88.5 | 142.4 | New Mexico state line | US 285 south of Villa Grove | c. 1923 | current | ||
 SH 18
|
— | — | Julesburg Reservoir near Sedgwick | US 138 in Ovid | c. 1938 | 1953 | ||
 SH 18
|
— | — | I-25 in Pueblo | US 50 near Avondale | c. 1958 | 1968 | ||
 SH 18
|
0.29 | 0.47 | Spruce Mountain Road | Jct I-25 Exit 172 near Larkspur | 1973 | c. 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 border | US 50 in Montrose | c. 1923 | 1968 | Carrier route overlapping US 550 | |
 SH 20
|
— | — | SH 119 west of Golden | SH 58/SH 93 in Golden | c. 1934 | c. 1951 | Replaced by US 6 | |
 SH 20
|
— | — | BL 70/US 6/US 50 in Grand Junction | US 6 in Palisade | c. 1956 | 1968 | Replaced by parts of BL 70, US 6, and US 50 | |
 SH 21
|
— | — | US 85 near Platteville | US 85 near Platteville | c. 1923 | 1939 | Loop east of US 85 through Platteville | |
 SH 21
|
— | — | Near Paoli | Near Paoli | c. 1938 | 1953 | Spurs north and south off US 6 | |
 SH 21
|
— | — | Loyd | SH 13 south of Hamilton | c. 1953 | 1954 | ||
| SH 21
|
— | — | Nebraska border | SH 14 near Stoneham | c. 1954 | 1964 | Became part of SH 71 | |
 SH 21
|
20.56 | 33.09 | SH 16 (Mesa Ridge Parkway) in Security-Widefield | SH 83 near Black Forest | 2007 | current | Established in October 2007 and is co-signed with Powers Boulevard | |
 SH 22
|
— | — | 20th Street in Greeley | Current BL 34 in Greeley | c. 1936 | 1953 | ||
 SH 22
|
2.47 | 3.98 | Brighton Road in Henderson | Sable Boulevard near Brighton | c. 1953 | current | ||
 SH 23
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 23
|
— | — | SH 62 in Ridgway | US 550 in Ouray | c. 1953 | 1989 | Now CR 23 | |
| SH 23
|
17.83 | 28.69 | US 385 in Holyoke | N-23 at the Nebraska state line | 1989 | current | Renumbered from SH 176 to avoid confusion with nearby I-76 and to match Nebraska | |
 SH 24
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 24
|
— | — | — | — | c. 1953 | 1968 | Renumbered to SH 44 to avoid confusion with US-24. | |
 SH 25
|
— | — | — | — | c. 1938 | 1968 | Renumbered to SH 55 during the creation of I-25 | |
 SH 26
|
— | — | — | — | c. 1938 | c. 1940 | ||
 SH 26
|
— | — | — | — | c. 1940 | 1953 | ||
 SH 26
|
— | — | — | — | c. 1953 | 1965 | ||
 SH 26
|
2.82 | 4.54 | SH 95 in Denver | I-25 in Denver | c. 1966 | current | ||
 SH 27
|
— | — | — | — | c. 1938 | 1953 | ||
| SH 27
|
— | — | — | — | c. 1953 | 1956 | ||
 SH 27
|
— | — | — | — | c. 1956 | 1968 | ||
 SH 28
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 28
|
— | — | — | — | c. 1953 | c. 1989 | ||
 SH 29
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 29
|
— | — | US 87 in Colorado Springs | SH 83 (now Academy Blvd) in Colorado Springs | c. 1964 | 2007 | 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
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 30
|
— | — | — | — | c. 1953 | c. 1954 | ||
 SH 30
|
20.41 | 32.85 | US 285 and I-25 in Denver | Quincy Avenue and Gun Club Road in Aurora | c. 1954 | current | ||
 SH 31
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 31
|
— | — | — | — | c. 1963 | c. 1969 | Swapped out when SH 470 opened to traffic. Now County Line Road[1] | |
 SH 32
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 32
|
— | — | — | — | 1959 | c. 1962 | Eastern 5 miles was SH 146 until 1953 | |
 SH 32
|
— | — | I-70 exit 286 in Aurora | I-70 Bus./US 40/US 287 in Aurora | 1968 | c. 2004 | Now Tower Road | |
 SH 33
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 33
|
— | — | — | — | c. 1966 | 1968 | Now I-225 | |
 SH 33
|
— | — | I-25 near downtown Denver | SH 2 in Denver | 1968 | 2002 | ||
 SH 34
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 35
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 35
|
1.01 | 1.63 | I-70 in Denver | Along Quebec Street in Denver | 1972 | current | ||
 SH 36
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 36
|
— | — | I-25 near downtown Denver | SH 2 in Denver | 1960 | 1968 | Renumbered SH 33 to avoid confusion with the new SH 36 and US 36 | |
 SH 36
|
— | — | I-70 near Watkins | US 36/SH 40 in Byers | 1968 | current | ||
 SH 37
|
— | — | US 34 in Kersey | SH 392 in Lucerne | 1938 | 2007 | 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
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 38
|
— | — | I-25 in Colorado Springs | I-25 Bus. (now US 87) in Colorado Springs | 1963 | 2007 | 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
|
7.57 | 12.18 | I-76 in Wiggins | SH 144 near Jackson Lake State Park | 1938 | current | ||
 SH 40
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 40
|
— | — | — | — | 1963 | 1968 | ||
 SH 40
|
— | — | US 36/SH 36 in Byers | Main Street in Agate | 1968 | current | ||
 SH 41
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 41
|
9.50 | 15.29 | US 160 | SR 162 at the Utah state line | — | — | ||
 SH 42
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 42
|
4.87 | 7.84 | Baseline Road/SH 7 in Lafayette | US 287 in Lafayette | c. 1961 | current | Most of this route was part of SH 168 until 1953 | |
 SH 43
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 44
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 44
|
4.95 | 7.97 | 104th Avenue and Colorado Boulevard in Thornton | SH 2 in Commerce City | — | — | ||
 SH 45
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 45
|
8.73 | 14.05 | I-25 south of Pueblo | US 50 northwest of Pueblo | 1966 | current | Cosigned with Pueblo Boulevard | |
 SH 46
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 46
|
6.61 | 10.64 | SH 119 near Black Hawk | Jefferson County line (becomes CR 70) | 1973 | current | ||
 SH 47
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 47
|
4.63 | 7.45 | I-25 in north Pueblo | US 50/SH 96 east of Pueblo | c. 1970 | current | ||
 SH 48
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 49
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 49
|
— | — | — | — | c. 1967 | 1968 | ||
 SH 50
|
— | — | — | — | c. 1923 | 1968 | ||
 SH 51
|
— | — | US 50 in Granada | US 138 in Julesburg | c. 1923 | 1968 | 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 Brighton | I-76 exit 17 near Brighton | 1968 | 1998 | Became part of SH 2; this section of SH 2 was given to the city of Brighton in 2010 | |
 SH 52
|
111 | 179 | SH 119 near Niwot | SH 14 at Raymer | c. 1923 | current | ||
 SH 53
|
— | — | — | — | c. 1923 | 1953 | ||
 SH 53
|
1.66 | 2.67 | E. 58th Avenue in Denver | SH 224 north of Denver in Adams County | 1971 | current | ||
 SH 54
|
— | — | — | — | c. 1923 | 1968 | ||
 SH 55
|
— | — | — | — | c. 1923 | 1953 | ||
 SH 55
|
5.65 | 9.09 | From Logan CR 81 | US 138 in Crook | 1968 | current | ||
 SH 56
|
6.7 | 10.8 | US 287 west of Berthoud | I-25 east of Berthoud | c. 1923 | current | 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
|
0.53 | 0.85 | I-70 | US 24 in Stratton | c. 1923 | current | 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
|
5.43 | 8.74 | US 6/SH 93 in Golden | I-70 in Wheat Ridge | c. 1923 | current | Until 1953, continued west via Golden Gate Canyon Road and SH 46 to SH 119 | |
 SH 59
|
173.30 | 278.90 | US 40/US 287 at Kit Carson | US 138 in Sedgwick | c. 1923 | current | Until 1953, continued north to Nebraska and south to Oklahoma | |
 SH 60
|
19.99 | 32.17 | US 287 in Campion | US 85 southwest of Gilcrest | c. 1923 | current | ||
 SH 61
|
40.99 | 65.97 | US 34 in Otis | US 6 near Sterling | c. 1923 | current | ||
 SH 62
|
23.40 | 37.66 | SH 145 near Placerville | US 550 near Ridgeway | c. 1923 | current | ||
 SH 63
|
56.41 | 90.78 | US 36 in Anton | US 6 in Atwood | c. 1923 | current | ||
 SH 64
|
73.70 | 118.61 | US 40 in Dinosaur | SH 13 near Meeker | c. 1923 | current | ||
 SH 65
|
61.38 | 98.78 | SH 92 near Delta | I-70 near Palisade | c. 1923 | current | ||
 SH 66
|
22.69 | 36.52 | US 36 near Lyons | US 85 in Platteville | c. 1923 | current | Section from US 36 to Estes Park decommissioned in March 2007 as part of the north front range route swap | |
 SH 67
|
71.72 | 115.42 | SH 96 in Wetmore | US 85 in Sedalia | c. 1923 | current | ||
 SH 68
|
— | — | — | — | c. 1923 | 1953 | ||
 SH 68
|
— | — | US 287 in Fort Collins | I-25 in Fort Collins | c. 1968 | 2005 | Given to the city of Fort Collins | |
 SH 69
|
82.87 | 133.37 | I-25 Bus. near Walsenburg | US 50 at Texas Creek | c. 1923 | current | ||
 SH 70
|
— | — | Kipling Street in Morrison | SH 7 in Brighton | c. 1923 | 1968 | Section from US 40/US 287 to Morrison became part of rerouted US 285 and the rest was renumbered SH 51 | |
 SH 71
|
224.65 | 361.54 | US 350 near La Junta | N-71 at the Nebraska state line | c. 1923 | current | ||
 SH 72
|
51.55 | 82.96 | I-70 in Wheat Ridge | SH 7 near Allenspark | c. 1923 | current | ||
 SH 73
|
— | — | US 285 in Conifer | SH 74 at Evergreen | c. 1923 | 1965 | Signs still show SH 73 | |
 SH 74
|
18.01 | 28.98 | I-70 at El Rancho exit | SH 8 in Morrison | c. 1923 | current | ||
 SH 75
|
3.71 | 5.97 | SH 470 near Littleton | Bowles Avenue at Lowry Street in Littleton | c. 1923 | current | Previously Unsigned due to theft, however, CDOT replaced the sign between November 2014 and May 2015 | |
 SH 76
|
— | — | SH 165 southwest of Beulah | SH 45 in southwest Pueblo | c. 1923 | 1976 | Renamed SH 78 in 1975 to avoid duplication when I-80S was renamed I-76 | |
 SH 77
|
— | — | — | — | c. 1923 | 1954 | Now CR 77 | |
 SH 78
|
— | — | — | — | c. 1923 | 1968 | ||
 SH 78
|
33.27 | 53.54 | SH 165 southwest of Beulah | SH 45 in southwest Pueblo | 1976 | current | ||
 SH 79
|
23.89 | 38.45 | I-70 near Bennett | SH 52 at Prospect Valley | c. 1923 | current | ||
 SH 80
|
— | — | — | — | c. 1923 | 1968 | ||
 SH 81
|
— | — | — | — | c. 1923 | 1938 | Became part of rerouted SH 2 | |
 SH 81
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 82
|
85.29 | 137.26 | I-70 in Glenwood Springs | US 24 near Granite | c. 1923 | current | ||
 SH 83
|
77.26 | 124.34 | SH 21 in north Colorado Springs | SH 2 at Leetsdale Drive/Colorado Boulevard in Denver | c. 1923 | current | 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
|
— | — | — | — | c. 1923 | 1968 | ||
 SH 85
|
— | — | — | — | c. 1923 | 1936 | Renumbered SH 189 because it intersected US 85 | |
 SH 85
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 86
|
61.47 | 98.93 | I-25 in Castle Rock | I-70 near Limon | c. 1923 | current | ||
 SH 87
|
— | — | — | — | c. 1923 | 1968 | Became part of relocated SH 75 | |
 SH 88
|
18.76 | 30.19 | Colfax Avenue and Federal Boulevard in Denver | SH 83 in Aurora | c. 1923 | current | ||
 SH 89
|
34.34 | 55.26 | SH 116 at Buckeye Crossroads | US 50/US 400 in Holly | c. 1923 | current | ||
 SH 90
|
41.9 | 67.4 | Utah State Route 46 at the Utah state line | SH 141 at Vancorum | c. 1923 | current | ||
 SH 91
|
22.57 | 36.32 | US 24 near Leadville | I-70 at Copper Mountain | c. 1923 | current | ||
 SH 92
|
73.29 | 117.95 | Crawford Avenue and Main Street in Delta | US 50 near Sapinero | c. 1923 | current | ||
 SH 93
|
19.89 | 32.01 | US 6 in Golden | SH 119 in Boulder | c. 1923 | current | ||
 SH 94
|
86.09 | 138.55 | US 24 just east of Colorado Springs | US 40/US 287 | c. 1923 | current | ||
 SH 95
|
14.32 | 23.05 | US 285 and Sheridan Boulevard in Denver | US 36 in Westminster | c. 1923 | current | ||
 SH 96
|
207.45 | 333.86 | SH 69 in Westcliffe | K-96 at the Kansas state line | c. 1923 | current | ||
 SH 97
|
4.58 | 7.37 | SH 141 near Naturita | Main Street and 3rd Avenue in Nucla | c. 1923 | current | ||
 SH 98
|
— | — | — | — | c. 1923 | 1953 | ||
 SH 99
|
— | — | — | — | c. 1923 | 1954 | Section south of SH 142 deleted 1953; remainder became part of rerouted SH 142 | |
 SH 100
|
— | — | Trinidad | Kansas border | c. 1923 | 1968 | Was cosigned with US 160; eliminated when all routes which overlapped US and Interstate Highways entirely were eliminated | |
 SH 100
|
0.41 | 0.66 | US 160 north of Vilas | A & Main streets in Vilas | 1968 | current | Formerly SH 100 Spur (created in 1965) and was part of SH 197 until 1953 | |
 SH 101
|
21.41 | 34.46 | CR K/CR 14 | US 50 in Las Animas | c. 1923 | current | ||
 SH 102
|
— | — | — | — | c. 1923 | 1968 | ||
 SH 103
|
22.48 | 36.18 | I-70 at Idaho Springs | CR 151 and CR 103 at Squaw Pass | c. 1923 | current | ||
 SH 104
|
— | — | — | — | c. 1923 | 1953 | ||
 SH 105
|
32.63 | 52.51 | I-25 near Monument | SH 67 near Sedalia | c. 1923 | current | 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
|
— | — | — | — | c. 1923 | 1968 | Carrier route overlapping US 491 | |
 SH 107
|
— | — | — | — | c. 1923 | 1925 | Became part of relocated SH 2 (the old route became SH 144) | |
 SH 107
|
— | — | — | — | c. 1931 | 1953 | ||
 SH 108
|
— | — | — | — | c. 1923 | 1953 | ||
 SH 109
|
65.33 | 105.14 | US 160 near Kim | Cheraw | c. 1923 | current | Until 1953, continued north to Genoa | |
 SH 110
|
0.19 | 0.31 | US 550 in Silverton | Silverton | c. 1923 | current | 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
|
— | — | — | — | c. 1923 | c. 1968 | Renumbered as an extension of SH 12; continued south to the New Mexico border until 1953 | |
 SH 112
|
27.80 | 44.74 | US 160 at Del Norte | SH 17 at Hooper | c. 1923 | current | ||
 SH 113
|
18.83 | 30.30 | US 138 northeast of Sterling | N-19 at Nebraska state line | c. 1923 | current | ||
 SH 114
|
61.74 | 99.36 | US 50 near Gunnison | US 285 in Saguache | c. 1923 | current | ||
 SH 115
|
45.99 | 74.01 | US 50 in Cañon City | I-25 in Colorado Springs | c. 1923 | current | ||
 SH 116
|
32.32 | 52.01 | US 287/US 385 near Springfield | Kansas state line | c. 1923 | current | ||
 SH 117
|
— | — | — | — | c. 1923 | 1953 | ||
 SH 118
|
— | — | SH 51 east of Two Buttes | Kansas state line | c. 1923 | 1953 | Became part of SH 116, which also replaced part of SH 51 when it was truncated | |
 SH 119
|
63.70 | 102.52 | US 6 West of Golden in Clear Creek Canyon | I-25 near Longmont | c. 1923 | current | ||
 SH 120
|
7.19 | 11.57 | SH 115 east of Florence | US 50 east of Penrose | c. 1923 | current | ||
 SH 121
|
30.43 | 48.97 | Waterton Road | US 36/US 287/SH 128 in Broomfield | c. 1923 | current | ||
 SH 122
|
— | — | Lake Circle in Broadmoor | US 85/US 87/SH 115 in Colorado Springs | c. 1923 | 1997 | Was still signed in July 1998 | |
 SH 123
|
— | — | — | — | c. 1923 | 1968 | ||
 SH 124
|
— | — | — | — | c. 1923 | 1953 | ||
 SH 125
|
75.41 | 121.36 | US 40 near Granby | WYO 230 at the Wyoming state line | c. 1923 | current | ||
 SH 126
|
— | — | — | — | c. 1923 | 1953 | ||
 SH 127
|
9.20 | 14.81 | SH 125 near Cowdrey | WYO 230 at the Wyoming state line | c. 1923 | current | ||
 SH 128
|
— | — | US 40S near Hartsel | SH 77 near Lake George | c. 1924 | c. 1929 | Now part of rerouted US 24 | |
 SH 128
|
10 | 16 | SH 93 south of Boulder | I-25 in Westminster | c. 1936 | current | ||
 SH 129
|
— | — | WYO 70 | US 40 | c. 1923 | 1953 | Now CR 129 | |
 SH 130
|
— | — | — | — | c. 1924 | 1953 | ||
 SH 131
|
68.72 | 110.59 | I-70/US 6 at Wolcott | US 40 south of Steamboat Springs | c. 1923 | current | ||
 SH 132
|
— | — | — | — | c. 1924 | 1975 | ||
 SH 133
|
71.40 | 114.91 | SH 92 in Hotchkiss | SH 82 in Carbondale | c. 1923 | current | ||
 SH 134
|
— | — | — | — | c. 1924 | 1953 | ||
 SH 134
|
27.0 | 43.5 | SH 131 in Toponas | US 40 north of Kremmling | 1968 | current | ||
 SH 135
|
27.48 | 44.22 | US 50 in Gunnison | Elk Avenue and 6th Street in Crested Butte | c. 1923 | current | ||
 SH 136
|
4.47 | 7.19 | US 285 in La Jara | 2nd Street South in Sanford | c. 1924 | current | ||
 SH 137
|
— | — | — | — | c. 1923 | 1953 | ||
 SH 138
|
— | — | — | — | c. 1924 | 1953 | ||
 SH 139
|
72.07 | 115.99 | I-70 in Loma | SH 64 in Rangely | c. 1923 | current | decommissioned in 1953, but restored in 1963 | |
 SH 140
|
23.4 | 37.7 | NM 170 at the New Mexico state line | US 160 near Durango | c. 1925 | current | ||
 SH 141
|
159.7 | 257.0 | US 491 near Dove Creek | South of I-70 in Grand Junction | c. 1923 | current | ||
 SH 142
|
33.8 | 54.4 | US 285 near Romeo | SH 159 in San Luis | c. 1925 | current | 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
|
— | — | — | — | c. 1923 | 1953 | ||
 SH 144
|
28.7 | 46.2 | I-76 west of Wiggins | SH 52 in Fort Morgan | c. 1925 | current | ||
 SH 145
|
116.1 | 186.8 | US 160 in Cortez | SH 141 near Naturita | c. 1923 | current | ||
 SH 146
|
— | — | — | — | c. 1926 | c. 1937 | ||
 SH 146
|
— | — | — | — | c. 1938 | c. 1953 | Later restored as part of a longer SH 32 | |
 SH 146
|
— | — | — | — | 1970 | 1986 | Became part of SH 141; portions were formerly SH 403 | |
 SH 147
|
— | — | — | — | c. 1923 | 1978 | ||
 SH 148
|
— | — | — | — | c. 1926 | 1953 | decommissioned in 1928 but restored in 1929 | |
 SH 149
|
117.5 | 189.1 | US 160 in South Fork | US 50 west of Gunnison | c. 1923 | current | ||
 SH 150
|
16.1 | 25.9 | US 160 west of Blanca | Great Sand Dunes National Park | c. 1928 | current | decommissioned in 1953 but restored in 1960 | |
 SH 151
|
33.9 | 54.6 | SH 172 in Ignacio | US 160 east of Chimney Rock | c. 1923 | current | ||
 SH 152
|
— | — | — | — | c. 1928 | c. 1982 | ||
 SH 153
|
— | — | — | — | c. 1923 | 1968 | ||
 SH 154
|
— | — | — | — | c. 1926 | 1953 | ||
 SH 155
|
— | — | — | — | c. 1923 | 1953 | ||
 SH 156
|
— | — | — | — | c. 1928 | c. 1938 | ||
 SH 156
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 157
|
— | — | — | — | c. 1923 | 1954 | truncated in 1953; remainder decommissioned in 1954 in exchange for restoring SH 217 | |
 SH 157
|
3.7 | 6.0 | US 36 in Boulder | SH 119 in Boulder | c. 1974 | current | ||
 SH 158
|
— | — | — | — | c. 1929 | 1953 | ||
 SH 159
|
33.6 | 54.1 | NM 522 at the New Mexico state line | US 160 near Fort Garland | c. 1923 | current | ||
 SH 160
|
— | — | — | — | c. 1929 | 1968 | ||
 SH 161
|
— | — | — | — | c. 1923 | c. 1935 | ||
 SH 161
|
— | — | — | — | c. 1935 | 1953 | ||
 SH 162
|
— | — | — | — | c. 1929 | 1984 | ||
 SH 163
|
— | — | — | — | c. 1923 | 1968 | ||
 SH 164
|
— | — | — | — | c. 1929 | c. 1934 | ||
 SH 164
|
— | — | — | — | c. 1935 | 1953 | ||
 SH 165
|
37.1 | 59.7 | SH 96 east of Silver Cliff | I-25 near Colorado City | c. 1923 | current | ||
 SH 166
|
— | — | — | — | c. 1933 | 1953 | ||
 SH 167
|
4.86 | 7.82 | CR JJ south of Fowler | SH 96 near Fowler | c. 1923 | current | ||
 SH 168
|
— | — | US 287/SH 1 in Louisville | SH 7 in Lafayette | c. 1933 | c. 1953 | Now mostly SH 42; may have been partially restored in 1961, but become part of SH 42 in 1965 | |
 SH 169
|
— | — | — | — | c. 1923 | c. 1970 | ||
 SH 170
|
— | — | — | — | c. 1933 | c. 1938 | ||
 SH 170
|
6.97 | 11.22 | Eldorado Canyon State Park | US 36 in Superior | c. 1938 | current | ||
 SH 171
|
— | — | — | — | c. 1926 | c. 1938 | ||
 SH 171
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 172
|
24.5 | 39.4 | NM 511 at the New Mexico state line | US 160 southeast of Durango | c. 1933 | current | ||
 SH 173
|
— | — | — | — | c. 1926 | c. 1938 | ||
 SH 173
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 174
|
— | — | — | — | c. 1935 | c. 1938 | ||
 SH 174
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 175
|
— | — | — | — | c. 1926 | c. 1938 | ||
 SH 175
|
— | — | — | — | c. 1938 | 1953 | ||
 SH 176
|
— | — | US 385 in Holyoke | N-23 at the Nebraska state line | c. 1935 | 1989 | Decommissioned in 1952; restored in 1968; changed to SH 23 to avoid confusion with nearby I-76 and to match Nebraska | |
 SH 177
|
6.11 | 9.83 | SH 470 at Highlands Ranch | US 285 in Cherry Hills Village | c. 1928 | current | ||
 SH 178
|
— | — | — | — | c. 1935 | c. 1940 | ||
 SH 178
|
— | — | — | — | c. 1940 | 1953 | ||
 SH 179
|
— | — | — | — | c. 1929 | 1953 | ||
 SH 180
|
— | — | — | — | c. 1935 | 1968 | ||
 SH 181
|
— | — | — | — | c. 1929 | 1953 | ||
 SH 182
|
— | — | — | — | c. 1939 | 1968 | ||
 SH 183
|
1.00 | 1.61 | Fort Lyon | US 50 near Las Animas | c. 1933 | current | ||
 SH 184
|
25.5 | 41.0 | US 491 near Lewis | US 160 Bus. in Mancos | c. 1938 | current | ||
 SH 185
|
— | — | — | — | c. 1933 | 1968 | ||
 SH 186
|
— | — | — | — | c. 1933 | 1953 | ||
 SH 187
|
0.69 | 1.11 | SH 133 near Paonia | Paonia | c. 1934 | 2010 | Now Grand Avenue | |
 SH 188
|
— | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 189 (1952).svg SH 189 | — | — | — | — | c. 1935 | 1953 | ||
| File:Colorado 190 (1946).svg SH 190 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 191 (1946).svg SH 191 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 192 (1952).svg SH 192 | — | — | — | — | c. 1938 | c. 1968 | ||
| File:Colorado 193 (1946).svg SH 193 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 194 wide.svg SH 194 | 20.33 | 32.72 | SH 109 near La Junta | US 50 near Las Animas | c. 1938 | current | ||
| File:Colorado 195 (1946).svg SH 195 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 196 wide.svg SH 196 | 8.92 | 14.36 | US 50 near McClave | US 287 near Wiley | c. 1938 | current | ||
| File:Colorado 197 (1946).svg SH 197 | 10.00 | 16.09 | US 160/SH 100 north of Vilas | CR T south of Vilas | c. 1938 | c. 1953 | Northern portion later restored as SH 100 Spur, and is now SH 100 | |
| File:Colorado 198 (1946).svg SH 198 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 199 (1946).svg SH 199 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 200 (1946).svg SH 200 | — | — | — | — | c. 1938 | c. 1951 | ||
| File:Colorado 200 (1952).svg SH 200 | — | — | — | — | c. 1951 | c. 1968 | ||
| File:Colorado 201 (1946).svg SH 201 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 202 wide.svg SH 202 | 3.23 | 5.20 | Otero CR 16/CR FF | US 50 in Rocky Ford | c. 1938 | current | ||
| File:Colorado 203 (1946).svg SH 203 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 204 (1946).svg SH 204 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 205 (1946).svg SH 205 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 206 (1946).svg SH 206 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 207 wide.svg SH 207 | 5.94 | 9.56 | US 50 in Manzanola | SH 96 in Crowley | c. 1938 | current | ||
| File:Colorado 208 (1946).svg SH 208 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 209 wide.svg SH 209 | 1.53 | 2.46 | US 50 | SH 96 in Boone | c. 1938 | current | ||
| File:Colorado 210 (1946).svg SH 210 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 211 (1946).svg SH 211 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 212 (1946).svg SH 212 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 213 (1946).svg SH 213 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 214 (1946).svg SH 214 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 215 (1946).svg SH 215 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 216 (1946).svg SH 216 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 217 (1952).svg SH 217 | — | — | — | — | c. 1938 | c. 1964 | decommissioned in 1953, but partially restored in 1954 | |
| File:Colorado 218 (1946).svg SH 218 | — | — | — | — | c. 1938 | c. 1951 | ||
| File:Colorado 218 (1946).svg SH 218 | — | — | — | — | c. 1951 | 1953 | ||
| File:Colorado 219 (1946).svg SH 219 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 220 (1946).svg SH 220 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 221 (1946).svg SH 221 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 222 (1946).svg SH 222 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 223 (1946).svg SH 223 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 224 wide.svg SH 224 | 3.63 | 5.84 | US 36 | US 6/US 85 | c. 1938 | current | ||
| File:Colorado 225 (1946).svg SH 225 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 226 (1946).svg SH 226 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 227 wide.svg SH 227 | 1.85 | 2.98 | US 50 Bus. | SH 96 in Pueblo | — | — | sections south of US 50 Bus. and north of SH 96 eliminated 1953 | |
| File:Colorado 228 (1952).svg SH 228 | — | — | — | — | c. 1938 | c. 1954 | section west of SH 227 removed 1953; rerouted south replacing part of SH 227 | |
| File:Colorado 229 (1946).svg SH 229 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 230 (1926).svg SH 230 | — | — | — | — | c. 1938 | c. 1939 | ||
| File:Colorado 230 (1946).svg SH 230 | — | — | — | — | c. 1940 | 1953 | ||
| File:Colorado 231 wide.svg SH 231 | 2.05 | 3.30 | US 50 Bus. | US 50/SH 96 near Pueblo | c. 1938 | current | ||
| File:Colorado 232 (1946).svg SH 232 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 233 wide.svg SH 233 | — | — | US 50 Bus. | US 50/SH 96 near Pueblo | c. 1938 | 2017 | ||
| File:Colorado 234 (1946).svg SH 234 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 235 (1946).svg SH 235 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 236 (1946).svg SH 236 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 237 (1946).svg SH 237 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 238 (1946).svg SH 238 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 239 wide.svg SH 239 | 3.35 | 5.39 | US 160 in Trinidad | CR 32/CR 75 | — | — | section northeast of El Moro removed 1955 | |
| File:Colorado 240 (1952).svg SH 240 | — | — | — | — | c. 1938 | c. 1954 | ||
| File:Colorado 241 (1946).svg SH 241 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 242.svg SH 242 | — | — | — | — | c. 1938 | 1982 | ||
| File:Colorado 243 (1946).svg SH 243 | — | — | — | — | c. 1938 | c. 1951 | ||
| File:Colorado 244 (1946).svg SH 244 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 245 (1952).svg SH 245 | — | — | — | — | c. 1938 | c. 1961 | ||
| File:Colorado 246 (1946).svg SH 246 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 247 (1946).svg SH 247 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 248.svg SH 248 | — | — | — | — | c. 1938 | 1982 | decommissioned in 1953, but restored in 1954 | |
| File:Colorado 249 (1946).svg SH 249 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 250 (1926).svg SH 250 | — | — | — | — | c. 1938 | 1948 | ||
| File:Colorado 251 (1946).svg SH 251 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 252 (1946).svg SH 252 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 253 (1946).svg SH 253 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 254 (1946).svg SH 254 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 255 (1946).svg SH 255 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 256.svg SH 256 | — | — | SH 60 in Milliken | US 85 in Peckham | c. 1938 | 2007 | Decommissioned in March 2007 as part of the north front range route swap | |
| File:Colorado 257 wide.svg SH 257 | 18.48 | 29.74 | SH 60 in Milliken | SH 14 east of Fort Collins | c. 1938 | current | ||
| File:Colorado 258 (1946).svg SH 258 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 259 (1946).svg SH 259 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 260 (1946).svg SH 260 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 261 (1946).svg SH 261 | — | — | — | — | c. 1938 | c. 1951 | ||
| File:Colorado 262 (1952).svg SH 262 | — | — | — | — | c. 1938 | c. 1965 | ||
| File:Colorado 263 wide.svg SH 263 | 2.73 | 4.39 | US 85 in Greeley | Greeley | c. 1938 | 2021 | 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 | |
| File:Colorado 264 (1946).svg SH 264 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 265 (1926).svg SH 265 | — | — | — | — | c. 1938 | c. 1941 | ||
| File:Colorado 265 wide.svg SH 265 | 3.62 | 5.83 | I-70 at Denver | US 6/US 85 at Commerce City | c. 1941 | current | ||
| File:Colorado 266 (1926).svg SH 266 | — | — | — | — | c. 1938 | c. 1939 | ||
| File:Colorado 266 (1946).svg SH 266 | — | — | — | — | c. 1949 | c. 1951 | ||
| File:Colorado 266 wide.svg SH 266 | 11.52 | 18.54 | US 50/SH 17 at Rocky Ford | SH 109 near Cheraw | c. 1951 | current | ||
| File:Colorado 267 (1946).svg SH 267 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 268 (1946).svg SH 268 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 269 (1946).svg SH 269 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 270 (1946).svg SH 270 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 271 (1926).svg SH 271 | — | — | — | — | c. 1938 | c. 1939 | ||
| File:Colorado 271 (1926).svg SH 271 | — | — | — | — | c. 1939 | c. 1941 | ||
| File:Colorado 271 (1946).svg SH 271 | — | — | — | — | c. 1942 | 1953 | ||
| File:Colorado 272 (1946).svg SH 272 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 273 (1946).svg SH 273 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 274 (1946).svg SH 274 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 275 (1946).svg SH 275 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 276 (1946).svg SH 276 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 277 (1946).svg SH 277 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 278.svg SH 278 | — | — | — | — | c. 1938 | 1986 | ||
| File:Colorado 279.svg SH 279 | — | — | SH 119 in Black Hawk | Central City | c. 1938 | 1999 | Originally routed from Squaw Pass through Idaho Springs to Apex, northwest of Central City | |
| File:Colorado 280 (1946).svg SH 280 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 281 (1946).svg SH 281 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 282 (1946).svg SH 282 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 283 (1946).svg SH 283 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 284 (1946).svg SH 284 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 285 (1946).svg SH 285 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 286 (1946).svg SH 286 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 287 (1946).svg SH 287 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 288 (1946).svg SH 288 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 289 (1946).svg SH 289 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 290 (1946).svg SH 290 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 291 wide.svg SH 291 | 9.14 | 14.71 | US 50 at Salida | US 285 | c. 1938 | current | ||
| File:Colorado 292 (1946).svg SH 292 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 293 (1946).svg SH 293 | — | — | — | — | c. 1938 | 1953 | swapped with SH 78/US 6 when Vail Pass was completed | |
| File:Colorado 294 (1946).svg SH 294 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 295 (1946).svg SH 295 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 296 (1946).svg SH 296 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 297 (1946).svg SH 297 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 298 (1946).svg SH 298 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 299 (1946).svg SH 299 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 300 wide.svg SH 300 | 3.36 | 5.41 | US 24 near Leadville | Leadville National Fish Hatchery | c. 1938 | current | ||
| File:Colorado 301 (1946).svg SH 301 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 302 (1946).svg SH 302 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 303 (1946).svg SH 303 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 304 (1946).svg SH 304 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 305 (1946).svg SH 305 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 306.svg SH 306 | — | — | — | — | c. 1938 | 1984 | ||
| File:Colorado 307 (1946).svg SH 307 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 308 (1946).svg SH 308 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 309 (1946).svg SH 309 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 310 (1946).svg SH 310 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 311 (1946).svg SH 311 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 312 (1946).svg SH 312 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 313 (1946).svg SH 313 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 314 (1946).svg SH 314 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 315 (1946).svg SH 315 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 316 (1946).svg SH 316 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 317 wide.svg SH 317 | 12.24 | 19.70 | SH 13 in Hamilton | CR 29 | c. 1938 | current | ||
| File:Colorado 318 wide.svg SH 318 | 60.46 | 97.30 | Utah state line | US 40 west of Maybell | c. 1938 | current | ||
| File:Colorado 319 (1926).svg SH 319 | — | — | — | — | c. 1938 | c. 1939 | ||
| File:Colorado 319 (1926).svg SH 319 | — | — | — | — | c. 1939 | c. 1941 | ||
| File:Colorado 319 (1946).svg SH 319 | — | — | — | — | c. 1941 | 1953 | ||
| File:Colorado 320 (1946).svg SH 320 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 321 (1946).svg SH 321 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 322 (1946).svg SH 322 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 323 (1946).svg SH 323 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 324 (1946).svg SH 324 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 325 wide.svg SH 325 | 11.39 | 18.33 | SH 13 north of Rifle | CR 217 in Rifle Mountain Park | c. 1938 | current | ||
| File:Colorado 326 (1946).svg SH 326 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 327 (1946).svg SH 327 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 328 (1946).svg SH 328 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 329 (1946).svg SH 329 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 330 wide.svg SH 330 | 11.39 | 18.33 | SH 65 | Grove Creek Road in Collbran | c. 1938 | current | ||
| File:Colorado 331 (1946).svg SH 331 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 332 (1946).svg SH 332 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 333 (1946).svg SH 333 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 334 (1946).svg SH 334 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 335 (1946).svg SH 335 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 336 (1926).svg SH 336 | — | — | — | — | c. 1938 | c. 1941 | ||
| File:Colorado 336 (1952).svg SH 336 | — | — | — | — | c. 1942 | c. 1954 | ||
| File:Colorado 337 (1946).svg SH 337 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 338 (1946).svg SH 338 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 339 (1946).svg SH 339 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 340 wide.svg SH 340 | 13.36 | 21.50 | US 6 in Fruita | I-70 Bus. in Grand Junction | c. 1938 | current | ||
| File:Colorado 341 (1946).svg SH 341 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 342 (1926).svg SH 342 | — | — | — | — | c. 1938 | c. 1948 | ||
| File:Colorado 342 (1946).svg SH 342 | — | — | — | — | c. 1949 | 1953 | ||
| File:Colorado 343 (1946).svg SH 343 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 344 (1946).svg SH 344 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 345 (1946).svg SH 345 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 346 (1946).svg SH 346 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 347 wide.svg SH 347 | 5.17 | 8.32 | US 50 near Montrose | Inside Black Canyon of the Gunnison National Park | c. 1938 | current | ||
| File:Colorado 348 wide.svg SH 348 | 17.05 | 27.44 | US 50 in Delta | US 50 in Olathe | c. 1938 | current | ||
| File:Colorado 349 (1946).svg SH 349 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 350 (1946).svg SH 350 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 351 (1946).svg SH 351 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 352 (1946).svg SH 352 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 353 (1946).svg SH 353 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 354 (1946).svg SH 354 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 355 (1946).svg SH 355 | — | — | — | — | c. 1938 | c. 1951 | ||
| File:Colorado 355 (1952).svg SH 355 | — | — | — | — | c. 1951 | c. 1967 | ||
| File:Colorado 356 (1946).svg SH 356 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 357 (1946).svg SH 357 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 358 (1946).svg SH 358 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 359 (1946).svg SH 359 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 360 (1946).svg SH 360 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 361.svg SH 361 | — | — | — | — | c. 1938 | 1984 | ||
| File:Colorado 362 (1946).svg SH 362 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 363 (1946).svg SH 363 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 364 (1946).svg SH 364 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 365 (1946).svg SH 365 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 366 (1946).svg SH 366 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 367 (1946).svg SH 367 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 368 wide.svg SH 368 | 12.33 | 19.84 | SH 370 | US 285 near Alamosa | c. 1938 | current | ||
| File:Colorado 369 (1946).svg SH 369 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 370 wide.svg SH 370 | 14.15 | 22.77 | SH 15 | US 285 near Alamosa | c. 1938 | current | ||
| File:Colorado 371 wide.svg SH 371 | 6.07 | 9.77 | SH 15 near La Jara | SH 368 | c. 1938 | current | ||
| File:Colorado 372 (1946).svg SH 372 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 373 (1946).svg SH 373 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 374.svg SH 374 | — | — | — | — | c. 1938 | 1990 | ||
| File:Colorado 375 (1946).svg SH 375 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 376 (1946).svg SH 376 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 377 (1946).svg SH 377 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 378 (1946).svg SH 378 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 379 (1946).svg SH 379 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 380 (1946).svg SH 380 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 381 (1946).svg SH 381 | — | — | — | — | c. 1946 | 1953 | ||
| File:Colorado 382 (1952).svg SH 382 | — | — | — | — | c. 1938 | c. 1967 | ||
| File:Colorado 383 (1946).svg SH 383 | — | — | — | — | c. 1946 | 1953 | ||
| File:Colorado 384 (1946).svg SH 384 | — | — | — | — | c. 1938 | 1953 | ||
| File:Colorado 385 (1946).svg SH 385 | — | — | — | — | c. 1947 | 1953 | ||
| File:Colorado 386 (1946).svg SH 386 | — | — | — | — | c. 1947 | 1953 | ||
| File:Colorado 387 (1926).svg SH 387 | — | — | — | — | c. 1947 | c. 1948 | renumbered SH 388 | |
| File:Colorado 387 (1946).svg SH 387 | — | — | — | — | c. 1948 | 1953 | ||
| File:Colorado 388 (1946).svg SH 388 | — | — | — | — | c. 1948 | 1953 | ||
| File:Colorado 389 wide.svg SH 389 | 12.65 | 20.36 | New Mexico state line, near Branson | US 160 | c. 1949 | current | ||
| File:Colorado 390 (1946).svg SH 390 | — | — | — | — | c. 1949 | 1953 | ||
| File:Colorado 391 wide.svg SH 391 | 9.51 | 15.30 | US 285 in Lakewood | I-70 in Wheat Ridge | c. 1951 | current | ||
| File:Colorado 392 wide.svg SH 392 | 45.33 | 72.95 | US 287 near Fort Collins | SH 14 near Briggsdale | c. 1949 | current | 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 | |
| File:Colorado 393 (1946).svg SH 393 | — | — | — | — | c. 1950 | 1953 | ||
| File:Colorado 394 wide.svg SH 394 | 9.25 | 14.89 | Victory Way in Craig/US 40 | Moffat County–Routt County line | c. 1949 | current | ||
| File:Colorado 395 (1946).svg SH 395 | — | — | — | — | c. 1950 | 1953 | ||
| File:Colorado 396 (1946).svg SH 396 | — | — | — | — | c. 1950 | 1953 | ||
| File:Colorado 397 (1946).svg SH 397 | — | — | — | — | c. 1950 | 1953 | ||
| File:Colorado 398.svg SH 398 | — | — | Eldorado Springs | SH 93 | c. 1950 | 1977 | Renumbered as an extension of SH 170 | |
| File:Colorado 399 (1946).svg SH 399 | — | — | — | — | c. 1951 | 1953 | ||
| File:Colorado 400 (1952).svg SH 400 | — | — | — | — | c. 1951 | c. 1958 | ||
| File:Colorado 401 (1946).svg SH 401 | — | — | — | — | c. 1951 | 1953 | ||
| File:Colorado 402 wide.svg SH 402 | 4.23 | 6.81 | US 287 in Loveland | I-25 | c. 1951 | current | ||
| File:Colorado 403 (1952).svg SH 403 | — | — | — | — | c. 1951 | 1953 | Later restored as part of a longer SH 146 | |
| File:Colorado 404 (1946).svg SH 404 | — | — | — | — | c. 1951 | 1953 | ||
| File:Colorado 470 wide.svg SH 470 | 27.29 | 43.92 | US 6 in Golden | I-25/E-470 in Lone Tree | c. 1970 | current | Was originally planned as Interstate 470 | |
| File:Colorado 789.svg SH 789 | 396 | 637 | US 666 at the New Mexico state line | WYO 789 near Baggs | c. 1954 | c. 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 | |
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Special routes
| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 SH 7 Bus.
|
1.592 | 2.562 | SH 7 in Allenspark | SH 7 east of Allenspark | — | — | ||
| SH 78 Bus.
|
1.493 | 2.403 | CR 225 (Central Avenue) in Beulah | SH 78 in Beulah Valley | — | — | ||
| File:No image.svgFile:Spur plate.svgFile:No image.svg SH 109 Spur
|
0.2 | 0.32 | US 50 in La Junta | SH 109 in La Junta | 1939 | current | Runs down on Bradish Avenue from US 50 and then on 3rd Street to SH 109 (Adams Avenue) | |
| File:No image.svgFile:Spur plate.svgFile:No image.svg SH 119 Spur
|
0.2 | 0.32 | US 6 | SH 119 | 1998 | 1998 | 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 | |
| File:No image.svgFile:Spur plate.svgFile:No image.svg File:Colorado 257 wide.svg SH 257 Spur |
1.1 | 1.8 | Barricade near SH 257 south of Windsor | US 34 Bus. near Greeley | — | 1955 | Former spur route of SH 257. Only indicated at the intersection with US 34 Bus | |
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References
- ^ Colorado Department of Highways (1969). Colorado Travel Map (PDF) (Map). 1:950,400. Denver: Colorado Department of Highways. Retrieved September 20, 2021.
External links
Wikimedia Commons has media related to State highways in Colorado.