Tennessee State Route 22

State Route 22
State Route 22
	SR 22; primary in red, secondary in yellow, business in green, alternate in blue
Route information
	Maintained by TDOT
Length	172.8 mi (278.1 km)
Existed	October 1, 1923–present
Major junctions
South end	MS 2 near Corinth, MS
	US 64 in Crump; US 412 / SR 104 in Lexington; I-40 in Parkers Crossroads; US 70 in Huntingdon; US 79 in McKenzie; US 45E in Martin; US 45W / US 51 in Union City;
North end	Kentucky Bend
Location
Country	United States
State	Tennessee
Counties	McNairy; Hardin; Chester; Henderson; Carroll; Henry; Weakley; Obion; Lake;
Highway system
	Tennessee State Routes; Interstate; US; State;

State Route 22 (SR 22) is a 172.8-mile long (278.1 km) south-to-north state highway in the western part of Tennessee, United States. It begins at the Mississippi state line in McNairy County, where the roadway continues as Mississippi Highway 2 (MS 2). It ends at the Kentucky state line in Lake County, when it crosses into the Kentucky Bend, a detached portion of Fulton County, Kentucky. The monument for the 1862 Battle of Island Number Ten in the American Civil War is located on SR 22, about 3 mi (4.8 km) north of Tiptonville.