 State Route 18 | ||||
|---|---|---|---|---|
 SR 18 mainline in red | ||||
| Route information | ||||
| Maintained by TDOT | ||||
| Length | 46.35 mi[1] (74.59 km) | |||
| Existed | October 1, 1923[2]–present | |||
| Major junctions | ||||
| South end |  MS 7 at Mississippi State Line | |||
| North end |  US 45 at Jackson | |||
| Location | ||||
| Country | United States | |||
| State | Tennessee | |||
| Counties | Fayette, Hardeman, Madison | |||
| Highway system | ||||
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State Route 18 (abbreviated SR 18) is a primary state highway in south-central West Tennessee. SR 18 is a two-lane facility throughout the majority of its length through the state with the exception being in Bolivar, Tennessee. SR 18 has a short concurrency with US 64 and also with SR 125 at Bolivar.
- ^ TDOT Region 4 Pavement Condition Data
- ^ 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.