U.S. Route 166

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U.S. Route 166

Length:

166 mi (267 km)

Formed:

1926

West end:

US 81 in South Haven, KS

East end:

I-44 near Joplin, MO

United States Numbered Highways
U.S. Routes - Bannered - Divided - Replaced

U.S. Route 166 is an east-west United States highway. This route and US 266 are the only two remaining children of historic U.S. Highway 66, since US 666 was decommissioned in 2003.

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

1 Termini
2 Historic termini
3 States traversed
4 Business U.S. Highway 166
5 Related US Routes
6 Sources

[edit] Termini

U.S. 166's western terminus in South Haven, Kansas

As of 2004, the highway's eastern terminus is southwest of Joplin, Missouri at an intersection with Interstate 44 one mile (1.6 km) from the Kansas border. It's also about 1000 feet (300 meters) from the point where Kansas, Missouri, and Oklahoma meet. U.S. Route 400 also ends here, and the routes are co-signed from this point to near Baxter Springs, Kansas, a distance of approximately 10 miles (16 km).

Its western terminus is in South Haven, Kansas at an intersection with U.S. Highway 81, approximately 1 mile north of the northern terminus of U.S. Highway 177.

[edit] Historic termini

US 166 is an original 1926 route and originally ran from Baxter Springs, Kansas to South Haven. In 1945, it was extended east through Joplin, Missouri, where it paralleled U.S. Highway 66 to Springfield, Missouri. In 1966, following the completion of the last section of Interstate 44 in Missouri, the east end of US 166 was truncated back from Springfield to its current terminus. Most sections of US 166 between Joplin and Springfield were not upgraded to interstate standards and were renumbered as I-44 Business Loops, state highways (such as Route 174) or turned over to local or county jurisdiction.