U.S. Route 70 in Tennessee

U.S. Route 70
U.S. Route 70
	Route of US 70 in Tennessee highlighted in red
Route information
	Maintained by TDOT
Length	478.48 mi (770.04 km)
Existed	1926–present
Major junctions
West end	I-55 / US 61 / US 64 / US 70 / US 78 / US 79 at the Arkansas state line (Mississippi River) in Memphis
	I-55 in Memphis; US 70A / US 79 in Brownsville; I-40 near Jackson; I-40 / I-65 in Nashville; US 231 in Lebanon; US 127 in Crossville; US 321 in Lenoir City; US 11 in Dixie Lee Junction; I-40 / US 25W in Knoxville; US 25 / US 25E in Newport;
East end	US 25 / US 70 at the North Carolina state line in Cocke County
Location
Country	United States
State	Tennessee
Counties	Shelby, Fayette, Tipton, Haywood, Madison, Carroll, Benton, Humphreys, Dickson, Cheatham, Davidson, Wilson, DeKalb, White, Cumberland, Roane, Loudon, Knox, Sevier, Jefferson, Cocke
Highway system
	United States Numbered Highway System; List; Special; Divided; Tennessee State Routes; Interstate; US; State;

U.S. Route 70 (US 70) enters the state of Tennessee from Arkansas via the Memphis & Arkansas Bridge in Memphis, and runs west to east across 21 counties in all three Grand Divisions of Tennessee, with a total length of 478.48 miles (770.04 km), to end at the North Carolina state line in eastern Cocke County. Along the route, US 70 is accompanied with various U.S. and state highways, including those in three of the state's four major cities (e.g. Memphis, Nashville, and Knoxville).