State Route 26 (SR 26) is an east–west highway in Middle Tennessee.

[2] The highway runs an unsigned concurrency with U.S. Route 70 for its entire existence.

After leaving Dowelltown, the highways go up a hill and end the concurrency with SR 96 at the top.

It then crosses Center Hill Lake and moves into White County.

It moves into the west side of Sparta and becomes West Brockman Way before having an interchange with SR 111 and US 70S, where US 70S ends, before entering downtown and coming to an end at an intersection with SR 1, which US 70 continues east concurrent with towards Crossville.