Established July 17, 1937
South Endpoint:
North Endpoint:
Counties Passed through: Sheridan, Decatur
South Endpoint:
Junction K-23 14 miles north of Hoxie
North Endpoint:
Junction K-383 at Dresden
Counties Passed through: Sheridan, Decatur
History
K-123 was created from a orphaned segment of K-23 between K-9 and Oberlin in 1938 as a consequence of US 183's southward extension.