U.S. Route 6 in Colorado

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U.S. Route 6 marker

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
Location
Counties Mesa, Garfield, Eagle, Summit, Clear Creek, Jefferson, Denver, Adams, Weld, Morgan, Logan, Phillips
Highway system
Colorado State Highways
SH 5SH 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[edit]

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.

U.S. 6 in Lakewood Colorado


Major intersections[edit]

CountyLocationmi[1]kmExitDestinationsNotes
Mesa0.0000.000 I-70 / US-6 / US-50 west – SalinaContinuation into Utah
2.1943.5312Rabbit Valley Road
Mack11.10617.87311 I-70 east – Grand JunctionEastern end of I-70 overlap
Loma15.13224.353 SH 139 north – Loma, Rangely
Fruita19.95532.114 To SH 340 (S. Coulson Street)
Grand Junction26.08041.972 I-70 / I-70 Bus. begins – DenverWestern end of I-70 Bus. overlap
28.24445.45424 Road north, Redlands Parkway southInterchange
30.44749.000 I-70 Bus. east / US 50 – MontroseEastern end of I-70 Bus. and US 50 overlaps
34.85956.100 I-70 Bus. westWestern end of I-70 Bus. overlap
Clifton37.26759.975 SH 141 south
37.72660.714 I-70 Bus. eastEastern end of I-70 Bus. overlap
46.51074.85144 I-70 west – Grand JunctionWestern end of I-70 overlap; eastbound exit and westbound entrance only
47.93377.14146Cameo
49.46879.61147James M. Robb – Colorado River State Park, Island AcresFormer port of entry
51.61683.06849 SH 65 south to SH 330 east – Grand Mesa, Collbran
64.249103.39962De Beque
GarfieldParachute77.262124.34175Parachute, Battlement Mesa
83.837134.92381Rulison
89.451143.95787 I-70 east – DenverEastern end of I-70 overlap
Rifle91.796147.731 SH 13 north – Rifle, Meeker
110.603177.998109 I-70 west – Grand JunctionWestern end of I-70 overlap
113.931183.354111South Canyon Creek Road
Glenwood Springs116.898188.129114West Glenwood
118.983191.485116 SH 82 – Glenwood Springs, Aspen
121.241195.118119No Name
123.743199.145121Grizzly Creek – Hanging Lake
125.263201.591123Shoshone Access RoadEastbound exit and westbound entrance only
127.664205.455125Hanging LakeEastbound exit and westbound entrance only
127.870–
128.457
205.787–
206.732
Hanging Lake Tunnel
130.918210.692129Bair Ranch Road
Eagle135.985218.847133Dotsero
142.134228.743140 I-70 east – DenverEastern end of I-70 overlap
159.500256.690 SH 131 north – WolcottWestern end of SH 131 overlap
159.889257.316 SH 131 south to I-70Eastern end of SH 131 overlap
174.857281.405171 I-70 west / US 24 east – Minturn, LeadvilleWestern end of I-70 overlap
Vail177.071284.968173West Vail
179.809289.375176Vail Ski Area – Vail Museum
183.618295.505180East Vail
EagleSummit
county line
193.733311.783Vail Pass summit — elevation 10,662 feet (3,250 m)
Summit193.847311.967190Shrine Pass Road – Vail Pass rest area
199.050320.340195 SH 91 south – Copper Mountain, Leadville
201.606324.453198Officers Gulch
Frisco204.747329.508201Main Street
206.104331.692203 SH 9 south – Frisco, BreckenridgeWestern end of SH 9 overlap
Silverthorne209.175336.635205 I-70 east / SH 9 north – Dillon, SilverthorneEastern end of I-70 and SH 9 overlaps
SummitClear Creek
county line
225.552362.991Loveland Pass summit — elevation 11,990 feet (3,650 m)
Clear Creek229.325369.063 I-70 west – Grand JunctionWestern end of I-70 overlap
218.346351.394218Herman Gulch Road
221.297356.143221Bakerville
Silver Plume225.719363.260226Silver Plume
Georgetown227.910366.786228Georgetown
231.889373.189232 US 40 west – Empire, GranbyWestern end of US 40 overlap
223.047358.959223LawsonEastbound exit only
234.209376.923234Downieville, Lawson
235.005378.204235DumontWestbound exit and eastbound entrance only
237.680382.509238Fall River Road
Idaho Springs238.885384.448239 I-70 Bus. east – Idaho Springs
239.652385.683240 SH 103 south – Mount Evans
241.125388.053241 I-70 Bus. west / County Road 314
242.980391.038243Hidden Valley, Central City
251.001403.947244 I-70 east / US 40 east – DenverEastern end of I-70 / US 40 overlap
257.296414.078 SH 119 north – Black Hawk, Central City
JeffersonGolden271.600437.098 SH 58 east / SH 93 north – Golden, Boulder
273.397439.990 SH 470 east – Colorado Springs
275.120442.763 US 40 (Colfax Avenue)
275.656443.625 SH 470 – Colorado SpringsWestern end of 6th Avenue freeway
276.003444.184 I-70 – Grand Junction, DenverI-70 east exit 261
Lakewood276.998445.785Indiana Street
277.002445.792Union Boulevard, Simms Street
277.310446.287 SH 391 (Kipling Street)
278.795448.677Garrison Street
280.830451.952 SH 121 (Wadsworth Blvd)
281.984453.809 SH 95 (Sheridan Blvd)
282.330454.366Knox Court
City and County of Denver283.86456.83 SH 88 (Federal Blvd)
284.470457.810 I-25 – Colorado SpringsEastern end of 6th Avenue freeway/South end of I-25 overlap, I-25 exits 209A-B
286.272460.710209C8th Avenue
287.310462.381210A US 40 (Colfax Avenue, I-70 Bus./US 287) – Downtown Denver
287.661462.946210CAuraria ParkwayNorthbound exit and southbound entrance
288.008463.504210B17th AvenueSouthbound exit (to 20th Avenue) is via exit 211
289.167465.36921123rd Avenue
289.985466.686212Speer Boulevard – Downtown DenverSigned as exits 212A (south) and 212B (north)
290.425467.394212C20th Street
291.479469.090213Park Avenue, West 38th Avenue
290.090466.855214A I-25 north / I-70 west – Fort Collins, Grand JunctionNorth end of I-25 overlap/Western end of I-70 overlap
292.815471.240275AWashington StreetEastbound signed exit 274
293.226471.902275B SH 265 north (Brighton Boulevard)
292.661470.992275CYork Street / Josephine StreetEastbound exit and westbound entrance
293.194471.850276A I-70 east / US 85 northEastern end of I-70 overlap (final)
AdamsCommerce City294473 I-270 – Boulder, LimonI-270 exits 2A-B.
294.550474.032 SH 2 eastEastbound exit and westbound entrance.
295.995476.358 I-76 west – ArvadaWestern end of I-76 overlap, exit 9 westbound.
296.466477.1161088th Avenue
297.114478.1591196th Avenue
298.345480.14012 US 85 north – Greeley, BrightonEastern end of US 85 overlap; no eastbound entrance
Commerce City302.285486.48116 SH 2 (Sable Boulevard) / 120th Avenue – Denver International Airport
304.661490.30418 E-470 south – Limon, Denver International AirportWestbound exit and eastbound entrance
Brighton305.219491.20220136th Avenue
307.828495.40121144th Avenue
308.626496.68522Bromley Lane
310.994500.49625 SH 7 west – Lochbuie, Brighton
WeldHudson316.269508.98631 SH 52 – Hudson, Fort Lupton
319.220513.73534Kersey Road
324.160521.68539Keenesburg (I-76 Bus. south)
333.302536.39848Roggen
334.007537.53249Painter RoadWestbound exit and eastbound entrance
342.652551.44557County Road 91
345.225555.58660 SH 144 east – Orchard
Morgan348.226560.41564WigginsEastbound exit and westbound entrance
350.314563.77666A SH 39 / SH 52 – Goodrich, Wiggins
350.535564.13166B US 34 west – Greeley, Estes ParkWestern end of US 34 overlap; westbound exit and eastbound entrance
357.219574.88873Long Bridge Road
359.789579.02475 US 34 east / I-76 Bus. east – Fort MorganEastern end of US 34 overlap
364.054585.88879 SH 144 – Weldona
Fort Morgan365.243587.80280 SH 52 – Raymer, Fort Morgan
366.993590.61882Barlow Road – Fort Morgan
370.076595.58086Dodd Bridge Road
373.368600.87889Hospital Road
375.042603.57290 SH 71 to US 34 – Brush, Akron, Limon, SnyderSigned as exits 90A (south) and 90B (north)
379.192610.250 I-76 east – SterlingEastern end of I-76 overlap, exit 92.
LoganAtwood405.187652.085 SH 63 south – Akron
Sterling412.061663.148 SH 14 west – Fort Collins
412.689664.159 US 138 east – Julesburg
414.116666.455 I-76 west – Fort Morgan, JulesburgI-76 exit 125.
414.317666.779 SH 61 south – Otis
Fleming431.121693.822 SH 55 north
PhillipsHaxtun444.295715.023 SH 59 – Yuma, Sedgwick
Holyoke457.213735.813 US 385 – Wray, Julesburg
467.284752.021 US 6 east – ImperialNebraska state line; eastern terminus of US 6 in Colorado
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

Route map: Google

KML is from Wikidata

Colorado Highways: US 6


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