Tennessee State Route 56

State Route 56
State Route 56
	SR 56; primary in red, secondary in blue, unsigned in green
Route information
	Maintained by TDOT
Length	160.6 mi (258.5 km)
Existed	October 1, 1923–present
Major junctions
South end	SR 117 near Sherwood
	US 41A in Sewanee; I-24 / US 64 at Monteagle; US 41 in Tracy City; US 70S at McMinnville; US 70 at Smithville; I-40 near Silver Point & Baxter; US 70N near Baxter;
North end	KY 63 near Gamaliel, KY
Location
Country	United States
State	Tennessee
Counties	Franklin, Marion, Grundy, Warren, DeKalb, Putnam, Jackson, Macon
Highway system
	Tennessee State Routes; Interstate; US; State;

State Route 56 (SR 56) is a 160.6-mile-long (258.5 km) state highway that runs south to north in Middle Tennessee, from the Alabama state line near Sherwood to the Kentucky state line near Red Boiling Springs.

SR 56 is secondary south of Sewanee. It is primary (but unsigned) along US 41A and US 41 between Sewanee and Tracy City. From Tracy City to the Kentucky line, SR 56 is a signed primary route, except west from North Springs to Willette, where SR 151 carries primary traffic more directly to Red Boiling Springs.^[2]

^ Highway Planning Survey Division (1925). Biennial Report of the Commissioner of the Department of Highways and Public Works State of Tennessee for the Years 1923 and 1924 (PDF) (Report). Nashville: Tennessee Department of Highways and Public Works. pp. 39–44. Retrieved May 19, 2023.
^ Tennessee Department of Transportation (2016). Official Transportation Map (PDF) (Map). c.1:1,013,760. Nashville: Tennessee Department of Transportation. §§ A9, A10–E10. Archived from the original (PDF) on January 12, 2016. Retrieved April 22, 2016.