| 172 km|
| SR 5 / SR 60 in Copperhill, Tennessee/McCaysville, Georgia at TN/Ga state line|
US 127 / SR 28 in Crossville
Polk County, Tennessee, Monroe County, Tennessee
State Route 68 (SR 68) is a 107.2-mile-long (172.5 km) state highway in the eastern part of the U.S. state of Tennessee.
Tennessee State Route 68 Wikipedia
SR-68 begins in southeastern Tennessee, at an intersection with Georgia State Route 5 and Georgia State Route 60 at the Tennessee–Georgia state line in Copperhill, Tennessee and McCaysville, Georgia. It then goes north to Ducktown, Tennessee where it junctions with US 64 and US 74. The route continues north and enters the Cherokee National Forest and goes through a mostly rural area, then in Turtletown it turns east and junctions with the second shortest state route in Tennessee: SR 123. SR 68 then turns back north and continues through a sparsely populated area and crosses over the Hiwassee River, The route then becomes curvy and dangerous. It then enters Monroe County and goes through Coker Creek and then Tellico Plains and junctions with SR 165 the Cherohala Skyway. In Tellico Plains, SR 68 serves as the eastern terminus for SR 39 it then proceeds north to Madisonville where it has an interchange/junction with US 411/SR 33. After this junction, the route then turns more northwesterly toward Sweetwater and passes The Lost Sea. In Sweetwater, it turns west and junctions with US 11 and I-75. Just past the I-75 junction, the route enters McMinn County where there are no highway junctions. It then enters Meigs County and Ten Mile and junctions with SR 305, SR 58, and has a brief concurrency with SR 304. It then crosses Watts Bar Dam and the Tennessee River into Rhea County near the Watts Bar Nuclear Plant and continues west. The route then has a 1-mile-long (1.6 km) concurrency with SR 302 and a 2.7-mile-long (4.3 km) concurrency with US 27/SR 29. US 27 and SR 68 go north to Spring City where SR 68 turns back west and US 27 goes north. Just after leaving Spring City, it turns back to north crosses over Waldens Ridge into Cumberland County where the route ends at a y-intersection with US 127/SR 28 in Cumberland Homesteads near Crossville and Cumberland Mountain State Park.