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.

Quick Facts Route information, Length ...

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U.S. Route 166

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US 166 highlighted in red
Route information
Auxiliary route of US 66
Maintained by KDOT and MoDOT
Length164.159 mi (264.188 km)
Existed1926–present
Major junctions
West end US-81 in South Haven, KS
Major intersections
East end I-44 / US 400 near Joplin, MO
Location
CountryUnited States
StatesKansas, Missouri
CountiesKS: Sumner, Cowley, Chautauqua, Montgomery, Labette, Cherokee
MO: Newton
Highway system
Close

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

Route description

More information mi, km ...
Lengths
 mikm
KS163.223 262.682
MO0.936 1.506
Total164.159 264.188
Close

Major intersections

More information State, County ...
StateCountyLocationmi[1][2]kmDestinationsNotes
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)  WinfieldModule:Jct warning: "road" parameter is deprecatedRoundabout; 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
Chautauqua66.984107.800
US-166 Bus. east  Sedan
Western terminus of US-166 Bus.
71.325114.786
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
 163.223–
0.000
262.682–
0.000
Kansas–Missouri state line
MissouriNewton0.406–
0.936
0.653–
1.506
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
  •       Concurrency terminus
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References

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