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U.S. Route 6 in Colorado

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

U.S. Highway 6 marker
U.S. Highway 6
Grand Army of the Republic Highway
Map
US 6 highlighted in red
Route information
Maintained by CDOT
Length467.284 mi[1] (752.021 km)
Major junctions
West end I-70 / US 6 / US 50 at the Utah state line
Major intersections
East end US 6 at the Nebraska state line
Location
CountryUnited States
StateColorado
CountiesMesa, Garfield, Eagle, Summit, Clear Creek, Jefferson, Denver, Adams, Weld, Morgan, Washington, Logan, Phillips
Highway system
  • Colorado State Highway System
← SH 5→ SH 7

U.S. Highway 6 (US 6) is a part of the United States Numbered Highway System that travels from Bishop, California, to Provincetown, Massachusetts. In the U.S. state of Colorado, 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

[edit]
The 6th Avenue Freeway in Denver, looking east from Knox Court

US 6 is concurrent with Interstate 70 (I-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 I-25, US 6 travels north briefly, then follows I-76 for most of its length east of Denver. It is unsigned while it is overlapped.

Loveland Pass in 1964

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 the Clear Creek valley until it reaches I-70, where it is briefly overlapped until I-70 leaves the Clear Creek valley. US 6 continues down Clear Creek and into Denver, where it turns into a freeway with six 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 through which it passes is Holyoke.

US 6 in Lakewood
US 6 in Summit County

History

[edit]

Major intersections

[edit]
CountyLocationmi[1]kmExitDestinationsNotes
Mesa​0.0000.000
 I-70 west (US 6 / US 50 west) – Salina		Continuation into Utah
​1.8142.9192Rabbit ValleyExit number follows I-70
Mack11.10617.873
 I-70 east		Eastern end of I-70 overlap; I-70 exit 11
Loma15.13224.353
 SH 139 to I-70 – Loma, Rangely		To I-70 via SH 139 south
Fruita19.95532.114

 SH 340 east (Coulson Street) to I-70		Western terminus of SH 340
Grand Junction26.08041.972
 I-70 BL begins / I-70 – Denver, Utah		Western end of I-70 BL overlap; I-70 exit 26; diverging diamond interchange
28.24445.454Patterson Road / 24 Road
Redlands Parkway south		Partial interchange
30.44749.000
 I-70 BL / US 50 east – Montrose		Eastern end of I-70 BL/US 50 overlap; no westbound exit
34.85956.100
 I-70 BL west		Western end of I-70 BL overlap
Clifton37.26759.975
 SH 141 south		Northern terminus of SH 141
37.72660.714

 I-70 BL east to I-70 – Utah, Denver		Eastern end of I-70 BL overlap
​46.510
43.682		74.851
70.299
 I-70 west		Western end of I-70 overlap; I-70 exit 44; westbound left exit and eastbound left entrance; mileposts change to reflect I-70 mileage
​45.33272.95546CameoExit numbers follow I-70
​46.86775.42547James M. Robb – Colorado River State Park, Island AcresFormer port of entry
​49.01578.88249


 SH 65 south to SH 330 east – Grand Mesa, Collbran
​61.648
64.249		99.213
103.399
 I-70 east		Eastern end of I-70 overlap;[2] I-70 exit 62; mileposts change to reflect US 6 mileage
GarfieldParachute72.284–
72.688		116.330–
116.980		 I-70 / Frontage RoadDumbbell interchange; I-70 exit 72
Rifle88.895143.063 I-70I-70 exit 87
91.240146.837
 SH 13 north – Meeker, Craig		East end of state maintenance;[3] west end of SH 13 overlap


 SH 13 south to I-70		East end of SH 13 overlap; westbound access via Whiteriver Avenue
Chacra110.806
109.000		178.325
175.418
 I-70 west		West end of state maintenance;[3] western end of I-70 overlap; I-70 exit 109; mileposts change to reflect I-70 mileage
​111.328179.165111South CanyonExit number follows I-70
Glenwood Springs114.295
116.898		183.940
188.129
 I-70 east / Gilstrap Court / Midland Avenue / Mel Ray Road / Highway 6 west – Glenwood Springs Mall		Dumbbell interchange; east end of state maintenance; Highway 6 west is former US 6/ US 24 west; I-70 exit 114; mileposts change to reflect US 6 mileage
118.645190.941Devereaux RoadWest end of state maintenance[4]
118.983
116.380		191.485
187.295

 SH 82 east (Grand Avenue) / I-70 west / E. 6th Street / Laurel Street – Aspen		Partial dumbbell interchange with I-70; western end of I-70 overlap; I-70 exit 116; western terminus of SH 82; mileposts change to reflect I-70 mileage
​118.640190.933119No NameExit numbers follow I-70
​120.954194.657121Grizzly Creek to Hanging LakeHanging Lake appears only on westbound signage
​122.660197.402123ShoshoneEastbound exit and westbound entrance
​125.061201.266125Hanging LakeEastbound exit and westbound entrance
​125.269201.601Hanging Lake Tunnel
​128.317206.506129Bair Ranch Road
Eagle​133.384–
134.053		214.661–
215.737		133Dotsero
Gypsum139.533
141.818		224.557
228.234
 I-70 east – Denver		Eastern end of I-70 overlap; I-70 exit 140; mileposts change to reflect US 6 mileage
141.993228.516Frontage Road / Trail Gulch RoadRoundabout; east end of state maintenance;[5] Frontage Rd. is former US 6 west
Eagle149.718240.948
 Church Street / Eby Creek Road (I-70 BS north) to I-70		Roundabout; west end of state maintenance;[6] southern terminus of I-70 BS
Wolcott159.500256.690
 SH 131 north – Steamboat Springs		Western end of SH 131 overlap
​159.889257.316

 SH 131 south to I-70		Eastern end of SH 131 overlap
Eagle-Vail172.185277.105
 I-70 east		I-70 east exit 169; no access to I-70 west
​174.541
171.105		280.897
275.367
 I-70 west – Aspen

 US 24 east – Minturn, Leadville		Western end of I-70 overlap; I-70 exit 171; western terminus of US 24; mileposts change to reflect I-70 mileage
Vail173.319278.930173West VailExit numbers follow I-70
176.057283.336176Vail Ski Area – Vail Museum
179.866289.466180East Vail
Vail Pass189.981305.745Elevation 10,662 feet (3,250 m)
Summit​190.095305.928190Shrine Pass Road – Vail Pass rest area
​195.298314.302195
 SH 91 south – Copper Mountain, Leadville		Northern terminus of SH 91
​197.854318.415198Officers Gulch
Frisco200.995323.470201Main Street
202.352325.654203
 SH 9 south – Frisco, Breckenridge		Western end of SH 9 overlap
Silverthorne205.423
208.659		330.596
335.804

 SH 9 north (Blue River Parkway) / I-70 east – Silverthorne		Eastern end of I-70/SH 9 overlap; I-70 exit 205; mileposts change to reflect US 6 mileage
Loveland Pass225.552362.991Elevation 11,990 feet (3,650 m)
Clear Creek​229.896
216.185		369.982
347.916
 I-70 west – Grand Junction		Western end of I-70 overlap; mileposts change to reflect I-70 mileage
​218.346351.394218Herman Gulch RoadExit numbers follow I-70
​221.297356.143221Bakerville
Silver Plume225.719363.260226Silver Plume
Georgetown227.910366.786228Georgetown
​231.889373.189232
 US 40 west – Empire, Granby		Western end of US 40 overlap
​223.047358.959223LawsonEastbound exit only
​234.209376.923234Downieville, Lawson
​235.005378.204235DumontWestbound exit and eastbound entrance
​237.680382.509238Fall River Road
Idaho Springs238.885384.448239
 I-70 BL east – Idaho Springs
239.652385.683240
 SH 103 south / Mount Blue Sky Scenic Byway – Mount Blue Sky		Northern terminus of SH 103
241.125388.053241
 I-70 BL west / County Road 314
​242.980391.038243Hidden Valley, Central City
​244.260
257.079		393.098
413.729		 I-70 – DenverInterchange; eastern end of I-70 overlap; I-70 exit 244; no ramp to I-70 east.; mileposts change to reflect US 6 mileage
​257.296414.078


 US 40 east to I-70 east		Eastern end of US 40 overlap
​257.751414.810
 SH 119 north – Black Hawk, Central City		Southern terminus of SH 119
JeffersonGolden271.600437.098

 SH 58 east / SH 93 north – Golden, Boulder		Western terminus of SH 58
19th Street / Lookout Mountain RoadInterchange
273.397439.990
 SH 470 east – Colorado Springs		SH 470 exits 0A-B northbound
275.120442.763 US 40 (Colfax Avenue)
276.003444.184—
 I-70 west – Grand Junction		West end of 6th Avenue freeway; westbound exit and eastbound entrance; I-70 exit 261 eastbound
Lakewood276.998445.785—Indiana Street
277.002445.792—Union Boulevard / Simms Street
277.310446.287— SH 391 (Kipling Street)
278.795448.677—Garrison Street
280.830451.952— SH 121 (Wadsworth Blvd)
281.984453.809— SH 95 (Sheridan Blvd)
282.330454.366—Knox Court
City and County of Denver283.86456.83— SH 88 (Federal Blvd) / Bryant Street
284.470
209.210		457.810
336.691		—6th Avenue eastNo westbound exit; I-25 exit 209A; 6th Avenue freeway continues east
—
 I-25 south (US 85 / US 87 south) – Colorado Springs		West end of I-25/US 85/US 87 overlap; I-25 exit 209B; mileposts change to reflect I-25 mileage
209.479337.124209C8th AvenueExit numbers follow I-25
210.310338.461210A US 40 / US 287 (Colfax Avenue) – Downtown Denver
210.415338.630210BAuraria ParkwayEastbound exit and westbound entrance
210.532338.818210C17th AvenueEastbound exit and entrance; westbound access is via exit 211
211.109339.74721123rd Avenue / 20th Avenue20th Ave. not signed eastbound
211.464340.318212A-BSpeer Boulevard – Downtown DenverSigned as exits 212A (south) and 212B (north)
212.096341.335212C20th Street
—I-25 HOV/toll lanesSouth end of I-25 reversible HOV/toll lanes; eastbound exit and westbound entrance
212.769342.419213Park Avenue / W. 38th Avenue
213.625
274.062		343.796
441.060		—
 I-25 north (US 87 north) – Thornton, Ft. Collins		East end of I-25/US 87 overlap; I-25 exit 214A
—
 I-70 west – Grand Junction		Western end of I-70 overlap; I-70 exit 274; mileposts change to reflect I-70 mileage
274.607441.937275AWashington StreetNo exit number eastbound; exit numbers follow I-70
275.252442.975275B
 SH 265 north (Brighton Boulevard)
275.545443.447275CYork Street / Josephine StreetEastbound exit and westbound entrance
276.080
290.98		444.308
468.29
 I-70 east		Eastern end of I-70 overlap; I-70 exit 276A; mileposts change to reflect US 6 mileage
AdamsCommerce City292.145470.162


 SH 2 south (Colorado Blvd) to I-70 east		Interchange; western end of SH 2 overlap; westbound exit and eastbound entrance
292.743471.124 I-270 (US 36) – Boulder, LimonPartial cloverleaf interchange; no eastbound exit to I-270 east; I-270 exits 2A-B
293.42472.21
 SH 2 east (Old)		Interchange; no westbound exit; eastern end of SH 2 overlap; no CDOT maintenance on this stretch of SH 2
293.763472.766Mill RoadInterchange
294.235–
294.651		473.525–
474.195
 SH 265 south
295.000474.756


 SH 224 west (74th Avenue) to I-76 west
​296.32
9.483		476.88
15.261
 I-76 west – Arvada		Interchange; western end of I-76 overlap; westbound left exit and eastbound left entrance; I-76 exit 9; mileposts change to reflect I-76 mileage
​10.46616.8431088th AvenueExit numbers follow I-76
​11.54918.5861196th Avenue
​12.50220.12012
 US 85 north – Greeley, Brighton		Eastern end of US 85 overlap; no eastbound entrance
Brighton16.47726.51716
 SH 2 south (Sable Boulevard) / 120th Avenue – Denver International Airport
18.07929.09518


 E-470 south to I-70 east – Limon, Denver International Airport		Westbound exit and eastbound entrance; E-470 exit 35
19.72331.74120136th Avenue
21.08133.92721Eagle Boulevard
22.40736.06122Bromley Lane
Adams–Weld
county line		Lochbuie25.14540.46725
 SH 7 west – Lochbuie, Brighton
WeldHudson31.48050.66231 SH 52 – Hudson, Fort Lupton
34.41255.38134Kersey Road
​38.92562.64439Keenesburg ( I-76 BS)
​47.97277.20348Roggen
​49.23679.23849Painter RoadWestbound exit and eastbound entrance
​57.21992.08557County Road 91
​59.79996.23760
 SH 144 east – Orchard
Morgan​63.883
343.519		102.810
552.840
 I-76 east		Eastern end of I-76 overlap;[7] no westbound access to I-76 east; I-76 exit 64; mileposts change to reflect US 6 mileage
​345.928556.717



 SH 52 west / SH 39 north to I-76 west – Goodrich, Hoyt		Western end of SH 52 overlap; southern terminus of SH 39
​346.425
66.288		557.517
106.680		66B
 I-76 west

 US 34 west – Greeley, Estes Park		Exit number is for US 34; exit numbers follow I-76; western end of I-76/US 34 overlap;[7] I-76 exit 66A; mileposts change to reflect I-76 mileage
​73.130117.69173Long Bridge Road
​75.280121.15175
 I-76 BL / US 34 east (SH 52 east) – Fort Morgan		Eastern end of US 34/SH 52 overlap; western terminus of I-76 BL
​78.852126.90079 SH 144 – Weldona
Fort Morgan80.139128.97180 SH 52 – Raymer, Fort Morgan
81.648131.40082Barlow Road – Fort Morgan
​85.713137.94286Dodd Bridge Road
​88.695142.74189Hospital Road
Brush89.643144.26690
 SH 71 to US 34 (I-76 BL) – Brush, Akron, Limon, Snyder
​91.693
371.69		147.566
598.18



 I-76 east / I-76 BL west (US 34 Spur south) to US 34 / SH 71 – Brush		Eastern end of I-76 overlap; western end of I-76 BL overlap; I-76 exit 92; mileposts change to reflect US 6 mileage; US 34 Spur unsigned
Washington​383.254616.788
 County Road Q to I-76
LoganAtwood397.955640.446
 SH 63 south – Akron		Northern terminus of SH 63
Sterling404.644651.211

 US 138 east (3rd Street north) / SH 14 west (Chestnut Street west) – Julesburg, Fort Collins		SH 14 is former US 6 west; western terminus of SH 138; eastern terminus of SH 14
404.734651.356Front StreetInterchange; no westbound entrance
406.568654.308
 I-76 BL ends / I-76 – Fort Morgan, Julesburg		Eastern terminus of I-76 BL; eastern end of I-76 BL overlap; I-76 exit 125
​406.794654.671
 SH 61 south – Otis		Northern terminus of SH 61
Fleming424.964683.913
 SH 55 north (Logan Avenue)		Southern terminus of SH 55
PhillipsHaxtun436.496702.472 SH 59 – Yuma, Sedgwick
Holyoke454.06730.74 US 385 (Interocean Avenue)
​467.284752.021
 US 6 east – Imperial		Continuation into Nebraska
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

[edit]
  1. ^ a b Colorado Department of Transportation, Highway Data Archived October 8, 2007, at the Wayback Machine, accessed July 2007
  2. ^ "Highway 006M between 62.305 and 88.895". CDOT Online Transportation Information System. Retrieved March 27, 2021.
  3. ^ a b "SPECIAL COMMITTEE ON U.S. ROUTE NUMBERING SPRING 2015 REPORT TO THE STANDING COMMITTEE ON HIGHWAYS" (PDF). AASHTO. May 14, 2015. p. 2. Retrieved March 26, 2021.
  4. ^ "Highway 006K between 0 and 0.338". CDOT Online Transportation Information System. Retrieved March 27, 2021.
  5. ^ "Highway 006N between 141.818 and 141.993". CDOT Online Transportation Information System. Retrieved March 27, 2021.
  6. ^ "Highway 006E between 149.718 and 174.541". CDOT Online Transportation Information System. Retrieved March 27, 2021.
  7. ^ a b "Highway 006I between 343.519 and 346.697". CDOT Online Transportation Information System. Retrieved March 28, 2021.
[edit]
KML file (edit • help)
Template:Attached KML/U.S. Route 6 in Colorado
KML is from Wikidata

Colorado Highways: US 6


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