Tennessee State Route 338
| Boyds Creek Highway Douglas Dam Road Old State Highway 66 | ||||
TN 338 highlighted in red | ||||
| Route information | ||||
| Maintained by TDOT | ||||
| Length | 20.2 mi (32.5 km) | |||
| Existed | July 1, 1983–present | |||
| Major junctions | ||||
| South end | US 411 / US 441 in Seymour | |||
| SR 66 in Sevierville | ||||
| North end | SR 139 northeast of Sevierville | |||
| Location | ||||
| Country | United States | |||
| State | Tennessee | |||
| Counties | Sevier | |||
| Highway system | ||||
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State Route 338 (SR 338) is a secondary highway located entirely within Sevier County in East Tennessee. The road runs generally south–north although like most roads in East Tennessee it has numerous winding turns.