U.S. Route 6 in Colorado

U.S. Route 6
Route information
Maintained by CDOT
Length:	467.284 mi[1] (752.021 km)
Major junctions
West end:	I-70 / US-6 / US-50 at Utah state line
	US 50 in Grand Junction US 24 in Minturn US 40 near Empire SH 470 near Golden I-25 / US 85 / US 87 / US 287 in Denver I-270 in Commerce City I-76 from Commerce City to Fort Morgan US 34 in Fort Morgan US 385 in Holyoke
East end:	US 6 at Nebraska state line
Highway system
United States Numbered Highway System List Bannered Divided Replaced Colorado State Highways Interstate U.S. State Scenic ← SH 5 SH 7 →

In the U.S. state of Colorado, U.S. Route 6 (US 6) is an east–west highway stretching from Utah to Nebraska. Much of the route overlaps other highways in Colorado, and as a result, much of US 6 is unsigned.

Route description

The 6th Avenue Freeway in Denver, Colorado, looking east from Knox Court.

US 6 is concurrent with Interstate 70 for a significant portion of its length from the Utah state line to Denver. When the highway enters the western Denver suburbs, US 6 coincidentally aligns with 6th Avenue in the grid system, where it is known as 6th Avenue Freeway. Once it reaches Interstate 25, US 6 travels north briefly, then follows Interstate 76 for most of its length east of Denver. It is unsigned while it is overlapped. The highest altitude along US 6 is 11,990 feet (3,650 m) at Loveland Pass, where it crosses the Continental Divide. It continues down Clear Creek Valley until it reaches I-70, where it is briefly overlapped until I-70 leaves Clear Creek Valley. US 6 continues down Clear Creek and into Denver, where it turns into a freeway with 6 lanes. East of Denver, it continues east while joined with I-76 until it reaches Sterling, where it diverges from the interstate. The last town in Colorado it passes is Holyoke.

Major intersections

County	Location	mi[1]	km	Exit	Destinations	Notes
Mesa	​	0.000	0.000		I-70 / US-6 / US-50 west – Salina	Continuation into Utah
	​	2.194	3.531	2	Rabbit Valley Road
	Mack	11.106	17.873	11	I-70 east – Grand Junction	Eastern end of I-70 overlap
	Loma	15.132	24.353		SH 139 north – Loma, Rangely
	Fruita	19.955	32.114		To SH 340 (S. Coulson Street)
	Grand Junction	26.080	41.972		I-70 / I-70 Bus. begins – Denver	Western end of I-70 Bus. overlap
		28.244	45.454	—	24 Road north, Redlands Parkway south	Interchange
		30.447	49.000	—	I-70 Bus. east / US 50 – Montrose	Eastern end of I-70 Bus. and US 50 overlaps
		34.859	56.100		I-70 Bus. west	Western end of I-70 Bus. overlap
	Clifton	37.267	59.975		SH 141 south
		37.726	60.714		I-70 Bus. east	Eastern end of I-70 Bus. overlap
	​	46.510	74.851	44	I-70 west – Grand Junction	Western end of I-70 overlap; eastbound exit and westbound entrance only
	​	47.933	77.141	46	Cameo
	​	49.468	79.611	47	James M. Robb – Colorado River State Park, Island Acres	Former port of entry
	​	51.616	83.068	49	SH 65 south to SH 330 east – Grand Mesa, Collbran
	​	64.249	103.399	62	De Beque
Garfield	Parachute	77.262	124.341	75	Parachute, Battlement Mesa
	​	83.837	134.923	81	Rulison
	​	89.451	143.957	87	I-70 east – Denver	Eastern end of I-70 overlap
	Rifle	91.796	147.731		SH 13 north – Rifle, Meeker
	​	110.603	177.998	109	I-70 west – Grand Junction	Western end of I-70 overlap
	​	113.931	183.354	111	South Canyon Creek Road
	Glenwood Springs	116.898	188.129	114	West Glenwood
		118.983	191.485	116	SH 82 – Glenwood Springs, Aspen
	​	121.241	195.118	119	No Name
	​	123.743	199.145	121	Grizzly Creek – Hanging Lake
	​	125.263	201.591	123	Shoshone Access Road	Eastbound exit and westbound entrance only
	​	127.664	205.455	125	Hanging Lake	Eastbound exit and westbound entrance only
	​	127.870– 128.457	205.787– 206.732	Hanging Lake Tunnel
	​	130.918	210.692	129	Bair Ranch Road
Eagle	​	135.985	218.847	133	Dotsero
	​	142.134	228.743	140	I-70 east – Denver	Eastern end of I-70 overlap
	​	159.500	256.690		SH 131 north – Wolcott	Western end of SH 131 overlap
	​	159.889	257.316		SH 131 south to I-70	Eastern end of SH 131 overlap
	​	174.857	281.405	171	I-70 west / US 24 east – Minturn, Leadville	Western end of I-70 overlap
	Vail	177.071	284.968	173	West Vail
		179.809	289.375	176	Vail Ski Area – Vail Museum
		183.618	295.505	180	East Vail
Eagle–Summit county line	​	193.733	311.783	Vail Pass summit — elevation 10,662 feet (3,250 m)
Summit	​	193.847	311.967	190	Shrine Pass Road – Vail Pass rest area
	​	199.050	320.340	195	SH 91 south – Copper Mountain, Leadville
	​	201.606	324.453	198	Officers Gulch
	Frisco	204.747	329.508	201	Main Street
		206.104	331.692	203	SH 9 south – Frisco, Breckenridge	Western end of SH 9 overlap
	Silverthorne	209.175	336.635	205	I-70 east / SH 9 north – Dillon, Silverthorne	Eastern end of I-70 and SH 9 overlaps
Summit–Clear Creek county line	​	225.552	362.991	Loveland Pass summit — elevation 11,990 feet (3,650 m)
Clear Creek	​	229.325	369.063		I-70 west – Grand Junction	Western end of I-70 overlap
	​	218.346	351.394	218	Herman Gulch Road
	​	221.297	356.143	221	Bakerville
	Silver Plume	225.719	363.260	226	Silver Plume
	Georgetown	227.910	366.786	228	Georgetown
	​	231.889	373.189	232	US 40 west – Empire, Granby	Western end of US 40 overlap
	​	223.047	358.959	223	Lawson	Eastbound exit only
	​	234.209	376.923	234	Downieville, Lawson
	​	235.005	378.204	235	Dumont	Westbound exit and eastbound entrance only
	​	237.680	382.509	238	Fall River Road
	Idaho Springs	238.885	384.448	239	I-70 Bus. east – Idaho Springs
		239.652	385.683	240	SH 103 south – Mount Evans
		241.125	388.053	241	I-70 Bus. west / County Road 314
	​	242.980	391.038	243	Hidden Valley, Central City
	​	251.001	403.947	244	I-70 east / US 40 east – Denver	Eastern end of I-70 / US 40 overlap
	​	257.296	414.078		SH 119 north – Black Hawk, Central City
Jefferson	Golden	271.60			SH 58 east / SH 93 north – Golden, Boulder
		273.397			SH 470 east – Colorado Springs
		275.12			US 40 (Colfax Avenue)
		275.656			SH 470 – Colorado Springs	Western end of 6th Ave freeway
		276.003			I-70 – Grand Junction, Denver	I-70 east exit 261.
	Lakewood	276.998			Indiana Street
		277.002			Union Boulevard, Simms Street
		277.31			SH 391 (Kipling Street)
		278.795			Garrison Street
		280.83			SH 121 (Wadsworth Blvd)
		281.984			SH 95 (Sheridan Blvd)
		282.33			Knox Court
Denver	Denver	283.86			SH 88 (Federal Blvd)
		284.47			I-25 – Colorado Springs	Eastern end of 6th Ave freeway/South end of I-25 overlap, exits 209A-B.
		286.272		209C	8th Avenue
		287.310		210A	US 40 (Colfax Avenue, I-70 Bus./US 287) – Downtown Denver
		287.661		210C	Auraria Parkway	Northbound exit and southbound entrance
		288.008		210B	17th Avenue	Southbound exit (to 20th Avenue) is via exit 211
		289.167		211	23rd Avenue
		289.985		212	Speer Boulevard – Downtown Denver	Signed as exits 212A (south) and 212B (north)
		290.425		212C	20th Street
		291.479		213	Park Avenue, West 38th Avenue
		290.090			I-25 – Fort Collins
		292.090		214A	I-70 – Limon, Grand Junction	North end of I-25 overlap/Western end of I-70 overlap
		292.815		275A	Washington Street	Eastbound signed exit 274
		293.226		275B	SH 265 north (Brighton Boulevard)
		292.661		275C	York Street / Josephine Street	Eastbound exit and westbound entrance
		293.194		276A	I-70 east / US 85 north	Eastern end of I-70 overlap (final)
Adams	Commerce City	294			I-270 – Boulder, Limon	I-270 exits 2A-B.
		294.550			SH 2 east
		295.995			I-76 west – Arvada	Western end of I-76 overlap
		296.466		10	88th Avenue
		297.114		11	96th Avenue
		298.345		12	US 85 north – Greeley, Brighton	Eastern end of US 85 overlap; no eastbound entrance
	Commerce City	302.285		16	SH 2 (Sable Boulevard) / 120th Avenue – Denver International Airport
		304.661		18	E-470 south – Limon, Denver International Airport	Westbound exit and eastbound entrance
	Brighton	305.219		20	136th Avenue
		307.828		21	144th Avenue
		308.626		22	Bromley Lane
		310.994		25	SH 7 west – Lochbuie, Brighton
Weld	Hudson	316.269		31	SH 52 – Hudson, Fort Lupton
		319.220		34	Kersey Road
		324.160		39	Keenesburg (I-76 Bus. south)
		333.302		48	Roggen
		334.007		49	Painter Road	Westbound exit and eastbound entrance
		342.652		57	County Road 91
		345.225		60	SH 144 east – Orchard
Morgan		348.226		64	Wiggins	Eastbound exit and westbound entrance
		350.314		66A	SH 39 / SH 52 – Goodrich, Wiggins
		350.535		66B	US 34 west – Greeley, Estes Park	Western end of US 34 overlap; westbound exit and eastbound entrance
		357.219		73	Long Bridge Road
		359.789		75	US 34 east / I-76 Bus. east – Fort Morgan	Eastern end of US 34 overlap
		364.054		79	SH 144 – Weldona
	Fort Morgan	365.243		80	SH 52 – Raymer, Fort Morgan
		366.993		82	Barlow Road – Fort Morgan
		370.076		86	Dodd Bridge Road
		373.368		89	Hospital Road
		375.042		90	SH 71 to US 34 – Brush, Akron, Limon, Snyder	Signed as exits 90A (south) and 90B (north)
		379.192			I-76 east – Sterling	Eastern end of US I-76 overlap
Logan	Atwood	405.187			SH 63 south – Akron
	Sterling	412.061			SH 14 west – Fort Collins
		412.689			US 138 east – Julesburg
		414.116			I-76 west – Fort Morgan, Julesburg
		414.317			SH 61 south – Otis
	Fleming	431.121			SH 55 north
Phillips	Haxtun	444.295			SH 59 – Yuma, Sedgwick
	Holyoke	457.213			US 385 – Wray, Julesburg
		467.284			US 6 east – Imperial	Nebraska state line; eastern terminus of US 6 in Colorado
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

References

Route map: Bing / Google

Colorado Highways: US 6

U.S. Route 6
Previous state: Utah	Colorado	Next state: Nebraska