K-140 is a 33.1 mile 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 Ellsworth

Ellsworth County, Kansas

Ellsworth County is a county located in Central Kansas, in the Central United States. As of the 2010 census, the county population was 6,497. Its county seat and most populous city is Ellsworth.-19th century:...

 and Saline Counties

Saline County, Kansas

Saline County is a county located in the U.S. state of Kansas. As of the 2010 census, the county population was 55,606...

 in the U.S. state of Kansas

Kansas

Kansas is a US state located in the Midwestern United States. It is named after the Kansas River which flows through it, which in turn was named after the Kansa Native American tribe, which inhabited the area. The tribe's name is often said to mean "people of the wind" or "people of the south...

. It connects Ellsworth

Ellsworth, Kansas

Ellsworth is a city in and the county seat of Ellsworth County, Kansas, United States. As of the 2010 census, the city population was 3,120.-19th century:...

 to Salina

Salina, Kansas

Salina is a city in and the county seat of Saline County, Kansas, United States. As of the 2010 census, the city population was 47,707. Located in one of the world's largest wheat-producing areas, Salina is a regional trade center for north-central Kansas...

. It was a former route used by U.S. Route 40.

Route description

K-140 begins at a junction with K-14

K-14 (Kansas highway)

K-14 is a north–south state highway which runs most of the length of the U.S. state of Kansas. The highway runs through the central part of the state.-Route description:...

 north of Ellsworth. It heads due east from here to meet K-156. It then junctions with K-111 north of Kanopolis

Kanopolis, Kansas

Kanopolis is a city in Ellsworth County, Kansas, United States. The town is built on the site of Fort Harker, a United States Army post that housed infantry and cavalry troops involved in the Indian Wars from 1867 to 1872. As of the 2010 census, the city population was 492.- History :Fort...

 and ruins through the unincorporated community of Carneiro before turning more northeast. It then serves as the northern terminus of K-141 before crossing into Saline County.

K-140 passes through the unincorporated town of Brookville

Brookville, Kansas

Brookville is a city in Saline County, Kansas, United States. As of the 2010 census, the city population was 262. The population was higher in the turn of the 20th century and the city featured the Brookville Hotel. It is part of the Salina Micropolitan Statistical Area.-Geography:Brookville is...

 and the town of Bavaria

Bavaria, Kansas

Bavaria is an unincorporated community in southern Ohio Township, Saline County, Kansas, United States. It lies along K-140 and a Union Pacific Railroad line southwest of the city of Salina, the county seat of Saline County. Spring Creek flows through the community...

. Approaching Salina, it becomes State St. It then ends at I-135 (exit 93).

Major intersections

{| class=wikitable
!County
!Location
!Mile
!Destination
!Notes
|-
|rowspan=4|Ellsworth

Ellsworth County, Kansas

Ellsworth County is a county located in Central Kansas, in the Central United States. As of the 2010 census, the county population was 6,497. Its county seat and most populous city is Ellsworth.-19th century:...

|
|0.000
|
|Western terminus
|-
|
|0.495
|
|
|-
|
|4.014
|
|
|-
|
|13.931
|
|
|-
|colspan=5|Mileposts reset at county line
|-
|Saline

Saline County, Kansas

Saline County is a county located in the U.S. state of Kansas. As of the 2010 census, the county population was 55,606...

|
|16.769
|
|Eastern terminus, interchange