The road begins in Soddy-Daisy and ends north of Byrdstown in the community of Static, at the Tennessee/Kentucky state line.
SR 111 travels generally northwest as a controlled access highway before it crosses into Sequatchie County.
The controlled-access sections of SR 111 are unusual, as they contain 70 mph speed limits, which are generally reserved for Interstate highways.
It then proceeds over Walden Ridge and into the Sequatchie Valley, where it comes to an interchange with US 127 and starts a concurrency with SR 8 in Dunlap, where the freeway ends.
In Overton County, SR 111 becomes Cookeville Highway and then Veterans Memorial Parkway as it approaches Livingston.
If not for the mountain, this would be the straightest route along the western edge of the Cumberland Plateau from Byrdstown to Monticello (and from I-40 at Cookeville to I-75 at Mt.
[8] This was expanded to a four lane controlled-access highway between 2000 and 2004, which included replacing the four-way intersection with US 127 with an overpass and interchange.