U.S. Route 287 in Colorado

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U.S. Highway 287

US 287 highlighted in red
Route information
Auxiliary route of US 87
Maintained by CDOT
Length385.22 mi[1] (619.95 km)
Major junctions
South end US 287 / US 385 / SH-3 at the Oklahoma state line
Major intersections
North end US 287 at the Wyoming state line
CountryUnited States
CountiesBaca, Prowers, Kiowa, Cheyenne, Lincoln, Elbert, Arapahoe, Denver, Adams, Broomfield, Boulder, Larimer
Highway system
  • Colorado State Highway System
US 285 SH 291

U.S. Highway 287 (US 287) is the portion of a north-south highway in Colorado that travels from the Oklahoma state line just south of Campo to the Wyoming state line north of Fort Collins.

Route description

View south along U.S. Highway 287 in Larimer County, Colorado

Heading from the Oklahoma border, US 287 and US 385, upon entering the state, pass through Campo, and make an interchange with US 160 south of Springfield. In Lamar and Carlton, the highways split at an interchange with US 50, where US 287 continues north, this time concurrent with US 50. Just outside the town the highways make a sharp turn toward the west, and the road heading north is SH 196. South of Wiley, US 50 heads west, while US 287 turns north toward Wiley. East of Eads, Colorado US 287 turns toward the west again, briefly merging with SH 96. In Eads SH 96 continues west, while US 287 moves north. Just east of Kit Carson, US 287 again turns toward the west and merges with US 40. East of Limon, the two highways make two interchanges with I-70 before entering Limon. After a brief concurrency with US 24, the two highways merge with I-70. Near the outskirts of Aurora US 36 merges with the group of highways as well.

View south along U.S. Highway 287 entering Kiowa County

Just past E-470, I-70 and US 36 split to follow a more northerly course, while US 287 and US 40 continue west into Downtown Denver on Colfax Avenue. The I-25, US 6, US 87, and US 85 interchange marks US 287's second junction with its parent route, US 87. Shortly thereafter, at a cloverleaf interchange with Federal Boulevard, SH 88 runs south, US 40 continues west, and US 287 turns north on Federal Boulevard. After crossing I-76 and then US 36 for a second time, US 287 turns west onto 120th Avenue where it overlaps SH 128. Just before meeting US 36 again in Broomfield, US 287 bends back to the north, leaving SH 128 to continue west. At Baseline Road in Lafayette, SH 7 joins US 287 for about a mile, before it splits to the west on Arapahoe Avenue towards Boulder. US 287 intersects SH 119 as it enters Longmont on the very busy Main Street, then intersects SH 66 at the north edge of town. The road bypasses Berthoud en route to Loveland, where US 287 splits into the pair of one-way streets. US 287 passes through Fort Collins on College Avenue, merging with SH 14 at Jefferson Street. On the edge of the mountains, SH 14 splits and heads west into Poudre Canyon, while US 287 continues north into Wyoming. The section of US 287 between Fort Collins, Colorado and Laramie, Wyoming carries very heavy truck traffic and was once considered dangerous.[2]

US 287 northbound concurrent with I-70 BL and US 40 on Colfax Avenue in Denver


The original US 287 only traveled from Denver past the Wyoming state line in 1935. In 1940, US 287 was expanded past the Oklahoma state line (to Port Arthur, Texas), replacing US 285.

After a head-on crash on the highway in 2001, there were people lobbying for a widening of US 287 at the Wyoming state line. Their request was answered in April 2009.[2] Throughout 2012, the highway was expanded to three lanes north of Fort Collins, was resurfaced, and contained shoulders to prevent such accidents.[1]

Junction list


US 287 south / US 385 south / SH-3 east – Boise City
Continuation into Oklahoma
Springfield28.77746.312 US 160 – Trinidad, Johnson City
40.77265.616 SH 116 – Two Buttes, Lycan

US 50 east / US 385 north (Olive Street) – Granada
Northern end of US 385 overlap; southern end of US 50 overlap

US 50 west – La Junta
Interchange; northern end of US 50 overlap; left exit northbound, left entrance southbound
Wiley87.371140.610 SH 196 – Kornman, McClave
SH 96 east – Sheridan Lake
Southern end of SH 96 overlap
SH 96 west – Haswell
Northern end of SH 96 overlap
US 40 east – Cheyenne Wells
Southern end of US 40 overlap
Kit Carson134.149215.892 SH 59 – Seibert
Aroya153.819247.548 SH 94 – Colorado Springs
I-70 BL begins / US 24 east / I-70
Southern end of I-70 Bus./US 24 overlap; I-70 exit 363
Limon194.552313.101 I-70 – Weigh StationI-70 exit 361
SH 71 north (1st Street) – Brush
Eastern end of SH 71 overlap
SH 71 south (Indiana Avenue) – Ordway
Western end of SH 71 overlap
US 24 west – Colorado Springs
Northern end of US 24 overlap

I-70 BL ends / I-70 east – Weigh Station
Northern end of I-70 Bus. overlap; southern end of I-70 overlap; I-70 exit 359
See I-70
county line
I-70 BL begins / I-70 (US 36) – Denver
Northern end of I-70 overlap; southern end of I-70 Bus. overlap; no southbound access to I-70 west; I-70 exit 288; serves Denver International Airport
Arapahoe272.516438.572 I-225I-225 exit 10
City and County of Denver278.232447.771 SH 2 (Colorado Boulevard)
282.065453.940 I-25 (US 6 / US 85 / US 87) / Auraria Parkway – Ft. Collins, Colorado SpringsI-25 exit 210A
SH 88 south (Federal Boulevard south)

I-70 BL west / US 40 west (Colfax Avenue west)
Interchange; northern end of I-70 Bus./US 40 overlap
285.752459.873 I-70 – Grand JunctionI-70 exit 272
AdamsBerkley286.913461.742 I-76 – Fort MorganI-76 exit 3
Westminster289.367465.691 US 36 (Denver-Boulder Turnpike) – Boulder, DenverInterchange
SH 128 east (120th Avenue east)
Southern end of SH 128 overlap
City and County of Broomfield298.100479.745

SH 121 south / SH 128 west
Interchange; northern end of SH 128 overlap
county line
BroomfieldLafayette line300.886484.229 Northwest ParkwayNorthwest Pkwy. exit 52
SH 42 west (Empire Road) – Louisville
SH 7 east (Baseline Road) – Brighton
Southern end of SH 7 overlap
SH 7 west (Arapahoe Road) – Boulder
Northern end of SH 7 overlap
310.390499.524 SH 52 – Niwot, Dacono, Fort Lupton
SH 119 (Ken Pratt Boulevard) to I-25 – Boulder
318.326512.296 SH 66 – Estes Park, Platteville, Ute Creek Golf Course
SH 56 east – Museum, Berthoud Business District
Campion329.160529.732BerthoudInterchange; southbound exit and northbound entrance, exit ramp includes direct entrance back onto US 287 north
SH 60 east (SE 42nd Street)
SH 402 east (14th Street SE)
334.053537.606 US 34 (Eisenhower Boulevard) – Estes Park, GreeleyServes McKee Medical Center
Fort Collins339.128545.774

SH 392 east (Carpenter Road) to I-25

SH 14 east (Jefferson Street) to I-25 – Ault, Denver
Southern end of SH 14 overlap
SH 1 north (Terry Lake Road)
SH 14 west (Cache La Poudre-North Park Scenic Byway) – Walden, Poudre Canyon
Northern end of SH 14 overlap
US 287 north – Laramie
Continuation into Wyoming
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also


  1. ^ a b "Colorado US 287". Retrieved February 12, 2016.
  2. ^ a b "Wyo begins widening 287". Casper Star-Tribune. Associated Press. April 19, 2009. Retrieved August 22, 2016.
  3. ^ "Highway Data Explorer". OTIS: Online Transportation Information System. Colorado Department of Transportation. Archived from the original on September 10, 2012. Retrieved September 6, 2017.

External links

Media related to U.S. Route 287 in Colorado at Wikimedia Commons

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