Tennessee State Route 51

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State Route 51

TN 51 in red
Route information
Maintained by TDOT
Length1.9 mi (3.1 km)
ExistedOctober 1, 1923[1]–present
Major junctions
South end SR 52 in Moss
North end KY 163 at the Kentucky state line
CountryUnited States
Highway system
US 51 SR 52

State Route 51 (SR 51) is a rural secondary north–south state highway that traverses the northwestern portion of Clay County in Middle Tennessee.[2] It is 1.9 miles (3.1 km) long.

Route description

SR 51 begins at a Y-intersection with SR 52 (Clay County Highway) at Moss. Its northern end is located at the Kentucky state line where it becomes Kentucky Route 163 (KY 163) upon entry into Monroe County, Kentucky.[2][3] SR 51 is known as “Tompkinsville Highway” for its entire length.[4][5]

Major intersections

The entire route is in Clay County.

Moss0.00.0 SR 52 (Clay County Highway) – Celina, NashvilleSouthern terminus
KY 163 north – Tompkinsville
Northern terminus; Kentucky state line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ 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.
  2. ^ a b Tennessee Department of Transportation (2019). Tennessee Official Transportation Map (Map). Nashville: Tennessee Department of Transportation. § A10.
  3. ^ Kentucky Transportation Cabinet (2020). Kentucky Official Highway Map (Map) (2020–2021 ed.). Scale not given. Frankfort: Kentucky Transportation Cabinet. § F8.
  4. ^ H.B. Elkins - KY-TN Dale Hollow-Frankfort Trip (Millenniumhwy.net)
  5. ^ http://www.millenniumhwy.net/2007_KY_TN_Dale_Hollow_Frankfort/2007_KY_TN_Dale_Hollow_Frankfort-Pages/Image51.html