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 Routes:	U.S. Highway X (US X)
State:	State Highway X (SH X)

The system of State highways in Colorado is a system of public paved roads funded and maintained by the Colorado Department of Transportation; in the U.S. State of Colorado comprises State Highways (typically abbreviated SH), U.S. Routes, and Interstate Highways. The numbered highways within the state begin at 1 and increase, with exception of numbers already designated as U.S. highways or Interstate Highways

State highway routes

1-100

Number	From	To	Length (mi)	Length (km)
State Highway 1	US 287 near Fort Collins	I-25 at Wellington	9.96	16.03
State Highway 2	US 285 at Denver	Brighton	24.00	38.62
State Highway 3	US 160-550 near Durango	US 160-550 near Durango	2.44	3.93
State Highway 5	SH 103 near Idaho Springs	Summit of Mount Evans	14.89	23.96
State Highway 7	US 36 in Estes Park	I-76 in Brighton	81.64	131.39
State Highway 8	US 285 near Morrison	SH 121 at Lakewood	8.68	13.97
State Highway 9	US 50 near Cañon City	US 40 in Kremmling	138.92	223.57
State Highway 10	I-25 / US 160 at Walsenburg	US 50 at La Junta	71.96	115.81
State Highway 11	US 138 at Julesburg	Nebraska border	1.35	2.17
State Highway 12	US 160 at La Veta	I-25 at Trinidad	70.36	113.23
State Highway 13	I-70 near Rifle	WYO 789 near Baggs	127.99	205.98
State Highway 14	US 40 at Muddy Pass	US 6 at Sterling	236.92	381.29
State Highway 15	US 160/285 in Monte Vista	US 285 in La Jara	30.92	49.76
State Highway 16	Jct I-25 Exit 132 in Security	Syracuse Street in Widefield	1.31	2.11
State Highway 17	New Mexico state line	US 285 south of Villa Grove	88.5	142.4
State Highway 21	SH 83 near Black Forest	SH 16 (Mesa Ridge Parkway) in Security-Widefield	20.56	33.09
State Highway 22	SH 2 (Sable Blvd) near Brighton	Brighton Road in Henderson	2.47	3.98
State Highway 23	US 385 in Holyoke	Nebraska border (continues at Nebraska SH 23)	17.83	28.69
State Highway 26	SH 95 (Sheridan Blvd) in Denver	I-25 Exit 208 in Denver	2.82	4.54
State Highway 30	US 285 and I-25 in Denver	Quincy Avenue and Gun Club Road in Aurora	20.41	32.85
State Highway 35	I-70 Exit 278 in Denver	North of I-270 along Quebec Street in Denver	1.01	1.63
State Highway 36	I-70 Exit 292 near Watkins	US 36 in Byers	24.53	39.48
State Highway 39	I-76 Exit 66 in Wiggins	SH 144 near Jackson Lake State Park	7.57	12.18
State Highway 41	US 160	Utah border (connects to Utah State Route 162)	9.50	15.29
State Highway 42	US 287 curving through Louisville	Baseline Road in Lafayette	4.87	7.84
State Highway 44	SH 2 in Commerce City	104th Ave. and Colorado Blvd. in Thornton	4.95	7.97
State Highway 45	I-25 Exit 94 south of Pueblo	US 50 northwest of Pueblo	8.73	14.05
State Highway 46	SH 119 near Black Hawk	Jefferson County line (becomes CR 70)	6.61	10.64
State Highway 47	I-25 Exit 101 in north Pueblo	US 50/SH 96 east of Pueblo	4.63	7.45
State Highway 52	SH 119 near Niwot	SH 14 at Raymer	111	179
State Highway 53	E 58th Ave near I-25 Exit 215 in Denver	SH 224 (70th Ave) north of Denver in Adams County	1.66	2.67
State Highway 55	US 138 in Crook	Becomes Logan CR 81	5.65	9.09
State Highway 56	US 287 west of Berthoud	I-25 Exit 250 east of Berthoud	6.7	10.8
State Highway 57	I-70	US 24 in Stratton	0.53	0.85
State Highway 58	US 6/SH 93 in Golden	I-70 Exit 265 in Wheat Ridge	5.43	8.74
State Highway 59	US 40-287 at Kit Carson	US 138 in Sedgwick	173.30	278.90
State Highway 60	US 287 in Campion	US 85 southwest of Gilcrest	19.99	32.17
State Highway 61	US 34 in Otis	US 6 near Sterling	40.99	65.97
State Highway 62	SH 145 near Placerville	US 550 near Ridgeway	23.40	37.66
State Highway 63	US 36 in Anton	US 6 in Atwood	56.41	90.78
State Highway 64	US 40 in Dinosaur	SH 13 near Meeker	73.70	118.61
State Highway 65	SH 92 near Delta	I-70 near Palisade	61.38	98.78
State Highway 66	US 34 near Estes Park	US 85 in Platteville	22.69	36.52
State Highway 67	SH 96 in Wetmore	US 85 in Sedalia	71.72	115.42
State Highway 69	BL I-25 near Walsenburg	US 50 at Texas Creek	82.87	133.37
State Highway 71	US 350 near La Junta	Nebraska Border (becomes Nebraska Highway 71)	224.65	361.54
State Highway 72	I-70 in Wheat Ridge	SH 7 near Allenspark	51.55	82.96
State Highway 74	I-70 at El Rancho exit	SH 8 in Morrison	18.01	28.98
State Highway 75	Englewood	SH 470 near Littleton	3.71	5.97
State Highway 78	SH 165 in West Pueblo	Pennsylvania Ave and Grand Ave in Beulah	33.27	53.54
State Highway 79	I-70 near Bennett	SH 52 at Prospect Valley	23.89	38.45
State Highway 82	I-70 in Glenwood Springs	US 24	85.29	137.26
State Highway 83	SH 21 in north Colorado Springs	SH 2 at Leetsdale Dr. / Colorado Blvd. in Denver	77.26	124.34
State Highway 86	I-25 in north Castle Rock (Founders Parkway)	I-70 near Limon	61.47	98.93
State Highway 88	Colfax Ave and Federal Blvd in Denver	SH 83 (Parker Road) in Aurora	18.76	30.19
State Highway 89	SH 116 at Buckeye Crossroads	US 50-400 in Holly	34.34	55.26
State Highway 90	Utah State Route 46 at the Utah state line	SH 141 at Vancorum	41.9	67.4
State Highway 91	US 24 near Leadville	I-70 at Copper Mountain	22.57	36.32
State Highway 92	Crawford Ave. and Main St. in Delta	US 50 near Sapinero	73.29	117.95
State Highway 93	US 6 in Golden	SH 119 (Canyon Blvd.) in Boulder	19.89	32.01
State Highway 94	US 40/US 287	US 24 just east of Colorado Springs	86.09	138.55
State Highway 95	US 285 (Hampden Ave) and Sheridan Blvd. in Denver	US 36 in Westminster	14.32	23.05
State Highway 96	SH 69 in Westcliffe	Kansas Border (becomes K-96)	207.45	333.86
State Highway 97	SH 141 near Naturita	Main St. and 3rd Ave. in Nucla	4.58	7.37
State Highway 100	US 160 north of Vilas	A & Main Streets in Vilas	0.41	0.66

101-200

Number	From	To	Length (mi)	Length (km)
State Highway 101	US 50 in Las Animas	CR K/CR 14	21.41	34.46
State Highway 103	I-70 at Idaho Springs	CR 151 and CR 103 at Squaw Pass	22.48	36.18
State Highway 105	SH 93 near Monument	SH 67 near Sedalia	32.63	52.51
State Highway 109	US 160 near Kim	Cheraw	65.33	105.14
State Highway 110	US 550 in Silverton	Silverton	0.19	0.31
State Highway 112	US 160 at Del Norte	SH 17 at Hooper	27.80	44.74
State Highway 113	US 138 northeast of Sterling	N-19 at Nebraska state line	18.83	30.30
State Highway 114	US 50 near Gunnison	US 285 in Saguache	61.74	99.36
State Highway 115	US 50 in Cañon City	I-25 in Colorado Springs	45.99	74.01
State Highway 116	US 287 / US 385 near Springfield	Kansas state line	32.32	52.01
State Highway 119	US 6 West of Golden in Clear Creek Canyon	I-25 near Longmont	63.70	102.52
State Highway 120	State Highway 115 east of Florence	US-50 east of Penrose	7.19	11.57
State Highway 121
State Highway 125	US 40 near Granby	WYO 230 at Wyoming state line.	75.41	121.36
State Highway 127	SH 125 near Cowdrey	WYO 230 at Wyoming state line.	9.20	14.81
State Highway 128	SH 93 South of Boulder	I-25 at exit 223 in Westminster
State Highway 131	US 6 & I 70 at Wolcott	US 40 south of Steamboat Springs
State Highway 133
State Highway 134
State Highway 135	US 50 in Gunnison	Elk Avenue and 6th Street in Crested Butte	27.48	44.22
State Highway 136
State Highway 139	I-70 in Loma	SH 64 in Rangely
State Highway 140
State Highway 141	South of I-70 in Grand Junction	US 491 (formerly US 666) near Dove Creek
State Highway 142
State Highway 144
State Highway 145	US 160 in Cortez	SH 141 near Naturita
State Highway 149
State Highway 150
State Highway 151
State Highway 157
State Highway 159
State Highway 165
State Highway 167	SH 96 near Fowler	CR JJ south of Fowler	4.86	7.82
State Highway 170
State Highway 172
State Highway 177	SH 470 at Highlands Ranch	US 285 in Cherry Hills Village	6.11	9.83
State Highway 183	US 50 near Las Animas	Fort Lyon	1.00	1.61
State Highway 184
State Highway 187	SH 133 near Paonia	Paonia	0.69	1.11
State Highway 194	SH 109 near La Junta	US 50 near Las Animas	20.33	32.72
State Highway 196	US 50 near McClave	US 287 near Wiley	8.92	14.36

201-300

Number	From	To	Length (mi)	Length (km)
State Highway 202	US 50 in Rocky Ford	Otero CR 14	3.23	5.20
State Highway 207	US 50 in Manzanola	SH 96 in Crowley	5.94	9.56
State Highway 209	US 50	SH 96 in Boone	1.53	2.46
State Highway 224	US 36	US 6 / US 85	3.63	5.84
State Highway 227	US 50 Bus.	SH 96 in Pueblo	1.85	2.98
State Highway 231	US 50 Bus.	US 50 / SH 96 near Pueblo	2.05	3.30
State Highway 233	US 50 Bus.	US 50 / SH 96 near Pueblo	2.15	3.46
State Highway 239	US 160 in Trinidad	CR32 / CR75	3.35	5.39
State Highway 257	SH 60 in Millikin	SH 14 east of Fort Collins	18.48	29.74
State Highway 263	US 85 in Greeley	Greeley	2.73	4.39
State Highway 265	I-70 at Denver	US 6 at Commerce City	3.62	5.83
State Highway 266	US 50 at Rocky Ford	SH 109 near Cheraw	11.52	18.54
State Highway 291	US 50 at Salida	US 285	9.14	14.71
State Highway 300	US 24 near Leadville	Leadville National Fish Hatchery	3.36	5.41

301 and above

Number	From	To	Length (mi)	Length (km)
State Highway 317	State Highway 13 in Hamilton	Routt CR 29	12.24	19.70
State Highway 318	Utah border	U.S. Highway 40 West of Maybell	60.46	97.30
State Highway 325	State Highway 13 North of Rifle	County Road 217 in Rifle Mountain Park	11.39	18.33
State Highway 330	State Highway 65	Grove Creek Road in Collbran	11.39	18.33
State Highway 340	U.S. Highway 6 in Fruita	Interstate 70 Business in Grand Junction	13.36	21.50
State Highway 347	U.S. Highway 50 near Montrose	Inside Black Canyon of the Gunnison National Park	5.17	8.32
State Highway 348	U.S. Highway 50 in Delta	U.S. Highway 50 in Olathe	17.05	27.44
State Highway 368	State Highway 370	U.S. Highway 285 near Alamosa	12.33	19.84
State Highway 370	State Highway 15	U.S. Highway 285 near Alamosa	14.15	22.77
State Highway 371	State Highway 15 near La Jara	State Highway 368	6.07	9.77
State Highway 389	New Mexico border near Branson	U.S. Highway 160	12.65	20.36
State Highway 391	US 285 in Lakewood	I-70 in Wheat Ridge	9.51	15.30
State Highway 392	US 287 near Fort Collins	County Road 77 near Briggsdale	45.33	72.95
State Highway 394	Victory Way in Craig	Border of Moffat County and Routt County	9.25	14.89
State Highway 402	U.S. Highway 287 in Loveland	Interstate 25	4.23	6.81
State Highway 470	US 6 in Golden	I-25 in Lone Tree	27.29	43.92

Former

• State Highway 29
• State Highway 129

U.S. highway routes

Current

Number	From	To	Length
U.S. Highway 6
U.S. Highway 24	Junction I-70 near Minturn	Junction I-70 Frontage Road near Burlington	277.668 miles (446.863 km)
U.S. Highway 34	Junction US 40 in Granby	Nebraska state line near Wray
U.S. Highway 36	Junction US 34 at Deer Ridge in Rocky Mountain National Park	Kansas state line near Idalia	213.458 miles (343.527 km)
U.S. Highway 40	Utah state line west of Dinosaur	Kansas state line east of Arapahoe	496.385 miles (798.854 km)
U.S. Highway 50	Junction US 50/ US 400 in Holly	Junction I-70/US 6/US 50 near Grand Junction	467.583 miles (752.502 km)
U.S. Highway 84
U.S. Highway 85
U.S. Highway 87
U.S. Highway 138
U.S. Highway 160
U.S. Highway 285
U.S. Highway 287	Oklahoma state line near Campo	Wyoming state line near Virginia Dale	234.846 miles (377.948 km)
U.S. Highway 350
U.S. Highway 385	South of Campo overlapping US 287	I-76 near Julesburg	263.734 miles (424.439 km)
U.S. Highway 400
U.S. Highway 491
U.S. Highway 550	South of Durango entering form New Mexico	US 50 in Montrose	103.066 miles (165.869 km)

Former

• U.S. Highway 38
• U.S. Highway 40N
• U.S. Highway 40S
• U.S. Highway 164
• U.S. Highway 450
• U.S. Highway 650
• U.S. Highway 666
• U.S. Highway 789

Interstate highway routes

Number	From	To	Length
Interstate 25	New Mexico state line	Wyoming state line	305.04 miles (490.91 km)
I-25 Business	Aguilar		1.94 miles (3.12 km)
	Walsenburg		3.94 miles (6.34 km)
	Colorado Springs		6.75 miles (10.86 km)
Interstate 70	Utah state line	Kansas state line	449.51 miles (723.42 km)
I-70 Business	Grand Junction-Fruitvale-Clifton		13.36 miles (21.50 km)
	Palisade		2 miles (3 km)
	Silt		0.17 miles (0.27 km)
	Eagle		0.27 miles (0.43 km)
	Edwards		0.52 miles (0.84 km)
	Idaho Springs		2.54 miles (4.09 km)
	Golden-Lakewood-Denver-Aurora		26.80 miles (43.13 km)
	Watkins		0.31 miles (0.50 km)
	Strasburg		0.30 miles (0.48 km)
	Deer Trail		0.31 miles (0.50 km)
	Agate		0.30 miles (0.48 km)
	Limon		2.80 miles (4.51 km)
	Vona		0.51 miles (0.82 km)
	Burlington		1.80 miles (2.90 km)
Interstate 76	Jct I-70 in Arvada	Nebraska state line	183.99 miles (296.10 km)
I-76 Business	Keenesburg		0.30 miles (0.48 km)
	Fort Morgan-Brush-Hillrose-Merino-Atwood-Sterling		50 miles (80 km)
Interstate 225	Jct I-25 in Denver	Jct I-70 in Aurora and Denver	11.99 miles (19.30 km)
Interstate 270	Jct US 36 at I-25 in unincorporated Adams County	Jct I-70 in Denver	5.35 miles (8.61 km)

See also

• State of Colorado
• Colorado Department of Transportation

External links

• Colorado Department of Transportation website
  • Colorado Highway Data
  • Colorado Highway Maps
• The Highways of Colorado by Matthew Salek