State Highway 140 is a 23.4 mi (37.7 km) long state highway

State highway

State highway, state road or state route can refer to one of three related concepts, two of them related to a state or provincial government in a country that is divided into states or provinces :#A...

 in the southwestern corner of Colorado

Colorado

Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...

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Route description

SH 140 begins in the south on the Southern Ute Indian Reservation

Southern Ute Indian Reservation

The Southern Ute Indian Reservation lies in southwestern Colorado, USA, along the northern border of New Mexico. Its territory consists of land from three counties; in descending order of surface area they are La Plata, Archuleta, and Montezuma Counties. The reservation has a land area of 1,058.785...

 at the New Mexico

New Mexico

New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...

 state line where the road becomes New Mexico State Road 170 coming from Farmington, NM

Farmington, New Mexico

Farmington is a city in San Juan County in the U.S. state of New Mexico. As of the 2010 U.S. Census the city had a total population of 45,877 people. Farmington makes up one of the four Metropolitan Statistical Areas in New Mexico. The U.S...

. From the state line, the road proceeds northward passing near the town of Marvel

Marvel, Colorado

Marvel is an unincorporated town and a U.S. Post Office located in La Plata County, Colorado, United States, on the Southern Ute Indian Reservation. While the town lies within the Reservation on most maps, the land within and around the town is owned by private landowners and the actual...

 and reaching its northern terminus at U.S. Highway 160 near the small town of Hesperus

Hesperus, Colorado

Hesperus is an unincorporated town and a U.S. Post Office located in La Plata County, Colorado, United States. The Hesperus Post Office has the ZIP Code 81326.-See also:* Durango Micropolitan Statistical Area* Old Spanish National Historic Trail...

 roughly eleven miles west of Durango

Durango, Colorado

The City of Durango is a Home Rule Municipality that is the county seat and the most populous city of La Plata County, Colorado, United States. The United States Census Bureau said that the city population was 16,887 in 2010 census.-History:...

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Major intersections

The entire route is located in La Plata County

La Plata County, Colorado

La Plata County is the fourteenth most populous of the 64 counties of the State of Colorado of the United States. The county was named for the La Plata River and the La Plata Mountains. "La plata" is the Spanish language word for "silver". The United States Census Bureau estimated that the...

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Location	Mile	Destination	Notes
	0.000	at the New Mexico New Mexico New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...  border	South end of route
Hesperus Hesperus, Colorado Hesperus is an unincorporated town and a U.S. Post Office located in La Plata County, Colorado, United States. The Hesperus Post Office has the ZIP Code 81326.-See also:* Durango Micropolitan Statistical Area* Old Spanish National Historic Trail...	23.435		North end of route