Kansas Highways: Numbers 40-59

US 40

Length: 433.307 miles

West Endpoint:
Junction US 40N/US 40S, Manhattan (1926-1935)
Colorado State Line west of Weskan (1935-present)

East Endpoint:
Missouri State Line in Kansas City

Counties Served:
Wallace, Logan, Gove, Trego, Ellis, Russell, Lincoln, Ellsworth, Saline, Dickinson, Geary, Riley, Wabaunsee, Shawnee, Douglas, Leavenworth, Wyandotte

Historical Counties Served:
Pottawatomie (1926-1957)

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US Highway 40N

West Endpoint:
Colorado State Line near Kanorado

East Endpoint:
Junction US 40/US 40S, Manhattan

Historic Counties Served:
Sherman, Thomas, Sheridan, Graham, Rooks, Osbourn, Mitchell, Cloud, Clay, Riley (1926-1935)

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US Highway 40S

West Endpoint:
Colorado state line west of Weskan

East Endpoint:
Junction US 40/US 40N, Manhattan

Historical Counties Served:
Wallace, Logan, Gove, Trego, Ellis, Russell, Ellsworth, Saline, Dickinson, Geary, Riley (1926-1935)

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US 40B (WaKeeney)

Length: 2.2 miles

West Endpoint: I-70/US 40 Exit 127

East Endpoint: I-70/US 40 Exit 128

County Served:
Trego

US 40 Alternate (Hays)

West Endpoint: Junction US 40 west of Hays

East Endpoint: Junction US 40 east of Hays

Historic County Served:
Ellis (1953-1963)

US 40B (Russell)

Previously Designated: US 40A (1967-1981)

Length: 6.4 miles

Historic West Endpoint: I-70/US 40 Exit 184

Historic East Endpoint: I-70/US 40 Exit 189

Historic County Served:
Russell (1967-2013)

US 40B (Junction City)

Previously Designated: US 40A (1967-1981)

Length: 4 miles

West Endpoint: I-70/US 40 Exit 296

East Endpoint: I-70/US 40 Exit 300

County Served:
Geary

US 40 Spur (Topeka)

South Endpoint:
Kansas Turnpike East Topeka Interchange (Exit 9/183)

North Endpoint:
Junction US 40 (6th Ave and Deer Creek Trafficway)

Historic County Served:
Shawnee (1956-1986)

K-41

Length: 5 miles

West Endpoint:
East City Limits of Delphos

East Endpoint:
Junction US 81 east of Delphos

County Served:
Ottawa

K-41 (1926-1937)

South Endpoint:
Junction US 160 near Protection

North Endpoint:
Junction US 54 in Bucklin (1926-1933)
Junction US 154 North of Bucklin (1933-1937)

Historic Counties Served:
Comanche, Clark, Ford (1926-1937)

K-42

Length: 79.9 miles

West Endpoint:
Junction US 281 in Sawyer

East Endpoint:
I-235 exit 5, Wichita

Counties Served:
Pratt, Kingman, Sumner, Sedgwick

K-43

Length: 20.8 miles

South Endpoint:
Junction K-4 at Hope

North Endpoint: I-70 exit 281

County Served:
Dickinson

K- 44

Length: 25 miles

West Endpoint:
Junction K-2 in Anthony

East Endpoint:
Junction K-49 north of Caldwell

Counties Served:
Harper, Sumner

K-45

Historic Southwest Endpoint:
Junction K-27 at Elkhart (1926-1956)
Junction US 56 at Great Bewd (1956-1966)

Historic Northeast Endpoint:
Junction US 40 at Ellsworth (1926-1966)

Historic Counties Served:
Morton, Stevens, Haskell, Gray, Ford, Edwards, Pawnee (1926-1956)
Barton, Ellsworth (1926-1966)
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K-46

Length: 1.315 miles

Historic South Endpoint:
Junction US 56 south of Little River

Historic North Endpoint:
South City Limits of Little River

Historic County Served:
Rice (1933-2013)

K-47

Length: 61 miles

West Endpoint:
Junction K-39/K-96 in Fredonia (1927-1937;1953-1999)
Junction K-96 north of New Albany (1937-1953)
East City Limits of Fredonia (de jure)/Junction US 400 east of Fredonia (de facto) (1999-present)

East Endpoint:
Junction US 75 near Buffalo (1927)
Junction US 169 north of Thayer (1928-1946)
Junction US 59 west of St. Paul (1946-2003)
Junction US 69 near Franklin (2003-present)

Counties Served:
Wilson, Neosho, Crawford

K-48

Length: 0.775 miles

Historic South Endpoint: North City Limits of Atchison

Historic North Endpoint: Youth Center at Atchison

Historic Counties Served: Atchison (1939-1978)

K-48 (1927-1937)

Historic West Endpoint:
Junction K-7 in Mound City

Historic East Endpoint:
Junction US 73E south of Pleasanton

Historic Counties Served:
Linn (1927-1937)

K-49

South Endpoint:
Junction US 81 in Caldwell

North Endpoint: Junction K-42 near Viola

Counties Served:
Sumner, Sedgwick

US 50

Length: 447.79 miles

West Endpoint:
Colorado State Line west of Coolidge (west section 1926-1956; 1956-present)
Junction US 50N/50S/59 west of Baldwin City (east section 1926-1956)

East Endpoint:
Junction US 50N/50S/83 in Garden City (west section 1926-1956)
Missouri State Line in Misson Woods (east section 1926-1956; 1956-1984)
Missouri State Line in Leawood, concurrent with I-435 (1984-present)

Counties Served:
Hamilton, Kearney, Finney, Gray, Ford, Edwards, Stafford, Reno, Harvey, Marion, Chase, Lyon, Coffey, Osage, Franklin, Miami, Johnson

Historic County Served:
Douglas (1927-1960)

US 50N

Historic West Endpoint:
Junction US 50/US 50S/US 83 in Garden City

Historic East Endpoint:
Junction US 50/US 50S/US 59 west of Baldwin City

Historic Counties Served:
Finney, Hodgeman, Pawnee, Barton, Rice, McPherson, Marion, Dickinson, Morris, Lyon, Osage, Douglas (1926-1956)

US 50S

Historic West Endpoint:
Junction US 50/US 50N/US 83 in Garden City

Historic East Endpoint:
Junction US 50/US 50N/US 59 west of Baldwin City

Historic Counties Served:
Finney, Gray, Ford, Edwards, Stafford, Reno, Harvey, Marion, Chase, Lyon, Coffey, Osage, Franklin, Douglas (1926-1956)

US 50B (Garden City)

Northwest Endpoint:
Junction US 50/83/400 northwest of Garden City

Southeast Endpoint:
Junction US 50/83/400 on Fulton Street in Garden City

County Served:
Finney

US 50 Spur (Garden City)

Histoiric West Endpoint:
Junction US 50, present-day Campus Drive and Fulton Street, Garden City

Historic East Endpoint:
Junction US 156, present-day Campus Drive and Kansas Avenue, Garden City

Historic County Served: Finney (1953-1971)

US 50B (Dodge City)

Length: 7.89 miles

Historic West Endpoint:
Junction US 50 west of Dodge City

Historic East Endpoint:
Junction US 50/56/283 northeast of Dodge City

Historic County Served:
Ford (1981-2009)

US 50A (Dodge City)

Historic West Endpoint:
Junction US 50 west of Dodge City

East Endpoint:
Junction US 50/56/283 northeast of Dodge City

Historic County Served:
Ford (1955-1981)

US 50B (Ottawa)

Previously Designated: US 50 Spur (1962-1979)

Historic Southwest Endpoint:
I-35/US 50 exit 182

Northeast Endpoint:
Junction US 59 in Ottawa (As US 50 Spur, 1962-1979)
I-35/US 50 exit 187, concurrent with K-68 (1979-2001)

Historic County Served:
Franklin (1962-2001)

K-51

Length: 97.7 miles

West Endpoint:
Colorado State Line northwest of Elkhart

East Endpoint:
Junction US 160 north of Liberal

Counties Served: Morton, Stevens, Seward

K-52

Length: 22.4 miles

West Endpoint: Junction K-31 southwest of Mound City

East Endpoint:Missouri State Line west of Butler, MO

Counties Served: Anderson, Lynn

K-52 (1926-1931)

Historic Counties Served:
Scott, Lane, Ness, Rush (1926-1931)

K-53

Length: 6.1 miles

West Endpoint: Junction US 81 west of Mulvane

East Endpoint: Junction K-15 in Mulvane

County Served:
Sumner

US 54

Length: 380.2 miles

West Endpoint:
Oklahoma State Line southwest of Liberal

East Endpoint:
Missouri State Line east of Fort Scott

Counties Served:
Seward, Meade, Clark, Ford, Kiowa, Pratt, Kingman, Sedgwick, Butler, Greenwood, Woodson, Allen, Bourbon

K-55

Length: 12 miles

West Endpoint: Junction US 81 west of Belle Plaine

East Endpoint: Junction K-15 in Udall

Counties Served: Sumner, Cowley

US 56

Length: 471.45 miles

West Endpoint: Oklahoma State Line at Elkhart

East Endpoint: Missouri State Line in Mission Hills

Counties Served:
Morton, Stevens, Haskell, Gray, Ford, Edwards, Pawnee, Barton, Rice, McPherson, Marion, Dickinson, Morris, Lyon, Osage, Douglas, Johnson

US 56B

Length: 2.7 miles

Southwest Endpoint: Junction US 56–77 south of Herington

Northeast Endpoint: Junction US 56-77 east of Herington

County Served: Dickinson

K-56 (1926-1936)

Historic West Endpoint:
Junction US 73E near Trading Post

Historic East Endpoint:
Missouri State Line west of Butler, MO

Historic County Served:
Lynn (1926-1936)

K-56 (1937-1954)

Historic West Endpoint: Junction K-23 west of Fowler (1937-1954)

Historic East Endpoint: Junction US 54 south of Fowler (1937-1954)

Historic County Served: Meade (1937-1954)

K-57

Length: 31.2 miles

Northwest Endpoint: 
Junction US 40 at Junction City (1927-1960)
Juntion I-70/US 40 near Grandview Plaza (1960-1968)
Junction US 77 northeast of Milford Dam (1968-present)

Southeast Endpoint:
Missouri State Line near Opolis (1927-2003)
Junction US 169 near Colony (2003-2004)
Junction K-4 at Dwight (2004-present)

Counties Served: Geary, Morris

Historic Counties Served:
Chase, Lyon, Greenwood, Coffey, Anderson (1927-2004)
Allen, Neosho, Crawford (1927-2003)

K-58

Length: 46.76 miles

West Endpoint: Junction K-99 at Madison

East Endpoint: Junction US 169 west of Colony

Counties Served: Greenwood, Coffey, Anderson

K-58 (1926-1978)

Historic Southwest Endpoint:
Junction US 50 northeast of Old Town Lenexa at 87th Street

Historic Northeast Endpoint:
Junction K-5 at 18th Street and Quindaro in Kansas City

Historic Counties Served:
Johnson, Wyandotte (1926-1978)

US 59

Length: 208.39 miles

South Endpoint:
Oklahoma State Line South of Chatopa

North Endpoint:
Missouri State Line at Atchison

Counties Served:
Labette, Neosho, Allen, Anderson, Franklin, Douglas, Jefferson, Atchison

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