U.S. Highway 85 (Colorado)
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U.S. Route 85 (US 85) is a part of the
U.S. Highway System The United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide grid in the contiguous United States. As the designation and numbering of these h ...
that travels from the
Mexican border Mexico shares international borders with three nations: *To the north the United States–Mexico border, which extends for a length of through the states of Baja California, Sonora, Chihuahua, Coahuila, Nuevo León and Tamaulipas. *To the southe ...
in
El Paso, Texas El Paso (; "the pass") is a city in and the county seat, seat of El Paso County, Texas, El Paso County in the western corner of the U.S. state of Texas. The 2020 population of the city from the United States Census Bureau, U.S. Census Bureau w ...
, north to the
Canadian border Canadians (french: Canadiens) are people identified with the country of Canada. This connection may be residential, legal, historical or cultural. For most Canadians, many (or all) of these connections exist and are collectively the source of ...
in Fortuna, North Dakota. In the U.S. state of
Colorado Colorado (, other variants) is a state in the Mountain states, Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the wes ...
, US 85 begins at the
New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe , LargestCity = Albuquerque , LargestMetro = Tiguex , OfficialLang = None , Languages = English, Spanish ( New Mexican), Navajo, Ke ...
state line south of Starkville and ends at the
Wyoming Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to the s ...
state line south of
Cheyenne, Wyoming Cheyenne ( or ) is the capital and most populous city of the U.S. state of Wyoming, as well as the county seat of Laramie County, Wyoming, Laramie County, with 65,132 residents, per the 2020 US Census. It is the principal city of the Cheyenne ...
.


Route description

US 85 enters
Colorado Colorado (, other variants) is a state in the Mountain states, Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the wes ...
from New Mexico concurrent with Interstate 25 (I-25) but is not signed. US 85 leaves I-25 at exit 128 and follows Santa Fe Avenue through
Fountain A fountain, from the Latin "fons" (genitive "fontis"), meaning source or spring, is a decorative reservoir used for discharging water. It is also a structure that jets water into the air for a decorative or dramatic effect. Fountains were ori ...
before turning west briefly onto Lake Avenue before rejoining I-25 at exit 138. Approaching the south side of
Denver Denver () is a consolidated city and county, the capital, and most populous city of the U.S. state of Colorado. Its population was 715,522 at the 2020 census, a 19.22% increase since 2010. It is the 19th-most populous city in the Unit ...
, US 85 again leaves I-25 at exit 184. From there it heads west and north as a two-lane rural highway. It becomes an expressway near Chatfield Reservoir and the southern Denver suburbs of Littleton and Englewood, where it is commonly known as Santa Fe Drive. From just north of its intersection with C-470 to its northern intersection with I-25, it is known as the
Navy SEAL The United States Navy Sea, Air, and Land (SEAL) Teams, commonly known as Navy SEALs, are the U.S. Navy's primary special operations force and a component of the Naval Special Warfare Command. Among the SEALs' main functions are conducting s ...
Danny Dietz Danny Phillip Dietz Jr. (January 26, 1980 – June 28, 2005) was a Navy SEAL who was awarded the U.S. Navy's second highest decoration, the Navy Cross, along with the Purple Heart, for his actions during the War in Afghanistan. Early life and ed ...
Memorial Highway. It continues north through Denver for a few miles before once again joining with I-25 at mile marker 207. There it runs concurrently with
US 87 U.S. Highway 87 (US 87) is a north–south United States highway (though it is signed east–west in New Mexico) that runs for 1,998 miles (3,215 km) from northern Montana to southern Texas, making it the longest north-south roa ...
as well as I-25 and heads north through downtown Denver. At exit 214, US 85 turns east and runs concurrently with
I-70 Interstate 70 (I-70) is a major east–west Interstate Highway in the United States that runs from I-15 near Cove Fort, Utah, to a park and ride lot just east of I-695 in Baltimore, Maryland, and is the fifth-longest Interstate in the c ...
and
US 6 U.S. Route 6 (US 6), also called the Grand Army of the Republic Highway, honoring the American Civil War veterans association, is a main route of the U.S. Highway system. While it currently runs east-northeast from Bishop, California, to ...
for about a mile where it exits with US 6 and heads northeast through Commerce City. In just a few miles the US 6/US 85 concurrency merges with I-76 at mile marker 9. They travel concurrently for until exit 12 when US 85 becomes an expressway and continues north out of the Denver area through Brighton. From there it parallels I-25 for about passing through Fort Lupton, Platteville, Evans, Greeley, and Eaton before crossing into
Wyoming Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to the s ...
.


History

US 85 originally followed the route that
I-25 Interstate 25 (I-25) is a major Interstate Highway in the western United States. It is primarily a north–south highway, serving as the main route through New Mexico, Colorado, and Wyoming. I-25 stretches from I-10 at Las Cruces, New Mexic ...
would later take. In southern Colorado, US 85 originally was placed on city streets in
Pueblo In the Southwestern United States, Pueblo (capitalized) refers to the Native tribes of Puebloans having fixed-location communities with permanent buildings which also are called pueblos (lowercased). The Spanish explorers of northern New Spain ...
and
Trinidad Trinidad is the larger and more populous of the two major islands of Trinidad and Tobago. The island lies off the northeastern coast of Venezuela and sits on the continental shelf of South America. It is often referred to as the southernmos ...
until 1938 where the route was ultimately paved from one state to another, taking place at the present I-25 corridor.


Realignment

Starting in 1942, a realignment project took place in northeastern
Denver Denver () is a consolidated city and county, the capital, and most populous city of the U.S. state of Colorado. Its population was 715,522 at the 2020 census, a 19.22% increase since 2010. It is the 19th-most populous city in the Unit ...
, involving the opening of Vasquez Blvd. Originally, US 85 ran along Brighton Blvd. from downtown going northeast and then was realigned along 46th Ave. to Vasquez Blvd. Five years later, in Pueblo, the route took the downtown streets before the Greenhorn/Crow bypass opened two years later. In 1950, the Palmer Lake/Larkspur bypass opened, moving US 85 along with
US 87 U.S. Highway 87 (US 87) is a north–south United States highway (though it is signed east–west in New Mexico) that runs for 1,998 miles (3,215 km) from northern Montana to southern Texas, making it the longest north-south roa ...
along the expressway. The expressway opened north of Pueblo in 1951, which allowed both US 85 and US 87 to use the expressway coming out of downtown until 1954. On October 1, 2007, part of the US-85 known as Nevada Ave was relinquished and is now maintained by the City of
Colorado Springs Colorado Springs is a home rule municipality in, and the county seat of, El Paso County, Colorado, United States. It is the largest city in El Paso County, with a population of 478,961 at the 2020 United States Census, a 15.02% increase since ...
.


Junction list


Related routes

US 85 has three current business routes in Colorado: one in Fort Lupton, one in Platteville, and one in Greeley.


References

{{state detail page browse, type=US, route=85, statebefore=New Mexico, state=Colorado, stateafter=Wyoming Transportation in Las Animas County, Colorado Transportation in Huerfano County, Colorado Transportation in Pueblo County, Colorado Transportation in El Paso County, Colorado Transportation in Douglas County, Colorado Transportation in Arapahoe County, Colorado Transportation in Denver Transportation in Adams County, Colorado Transportation in Weld County, Colorado 85 Colorado