U.S. Route 166

highway in Kansas and Missouri
(Redirected from U.S. Route 166 in Kansas)

U.S. Route 166 (US 166) is a 164-mile (264 km) west–east United States highway. This route and US-266 are the only two remaining parts of historic U.S. Route 66 (which was decommissioned in 1985), since US-666 was renumbered to US-491 in 2003.

U.S. Route 166 marker

U.S. Route 166
US 166 highlighted in red
Route information
Auxiliary route of US 66
Maintained by KDOT and MoDOT
Length164.159 mi (264.188 km)
Major junctions
West end US-81 in South Haven, KS
East end I-44 / US 400 near Joplin, MO
StatesKansas, Missouri
CountiesKS: Sumner, Cowley, Chautauqua, Montgomery, Labette, Cherokee
MO: Newton
Highway system

US-166 meets the old route of US-66, now designated US-69 Alternate, in Baxter Springs in the southeast corner of Kansas.

Route descriptionEdit

  mi km
KS 163.223 262.682
MO 0.936 1.506
Total 164.159 264.188

Major intersectionsEdit

KansasSumner0.0000.000  US-81 – South Haven, WellingtonWestern terminus; road continues as 160th Street South
3.4815.602   I-35 / Kansas Turnpike – Wichita, Oklahoma CityParclo interchange; I-35/Kansas Tpke. exit 4
CowleyArkansas City20.54033.056  US-77 south (Summit Street south) – Ponca City Ok.West end of US-77 concurrency
22.99337.004   US-77 north (Walnut Valley Green Way) / Kansas Avenue – WinfieldRoundabout; east end of US-77 concurrency; US-77 north serves South Central Kansas Medical Center
40.88365.795  K-15 north – DexterWest end of K-15 concurrency
44.83372.152  K-15 south – Shidler Ok.East end of K-15 concurrency
  US-166 Bus. east – Sedan
Western terminus of US-166 Bus.
   US-166 Bus. west / K-99 – Sedan, Chautauqua
Eastern terminus of US-166 Bus.
Montgomery85.579137.726  US-75 north – IndependenceTrumpet interchange; west end of US-75 concurrency
88.577142.551  US-75 south (McGee Street) – CaneyEast end of US-75 concurrency
Coffeyville106.083170.724  US-169 south (Walnut Street) – Nowata Ok.West end of US-169 concurrency
108.104173.977  US-169 north – ChanuteInterchange; east end of US-169 concurrency
LabetteEdna120.743194.317  K-101 north (Delaware Street) – EdnaSouthern terminus of K-101
Chetopa135.054217.348  US-59 north (Xavier Road)West end of US-59 concurrency
136.548219.753  US-59 south (3rd Street)East end of US-59 concurrency
Cherokee150.694242.518   US-69 / K-7 – Columbus, Miami Okla.
Baxter Springs156.181251.349 
  US-69 Alt. (Military Avenue)
Former US-66
158.017254.304  US-400 west – ParsonsWest end of US-400 concurrency
161.322259.623  K-26 north – GalenaSouthern terminus of K-26
Kansas–Missouri state line
   US 400 end / I-44 – Tulsa, SpringfieldEast end of US 400 concurrency; I-44 exit 1; eastern termini of US 166 and US 400
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. Kansas Department of Transportation. "Pavement Management Information System". Archived from the original on 2009-04-30. Retrieved 2008-09-26.
  2. Missouri Department of Transportation (January 11, 2018). MoDOT HPMAPS (Map). Missouri Department of Transportation. Retrieved January 11, 2018.

Other websitesEdit

Route map:

KML is from Wikidata