APD-40

APD-40 or APD 40 refers to a road composed of the U.S. Route 64 Bypass (US 64 Byp.) and a section of Tennessee State Route 60 (SR 60) which forms a beltway around the business district of Cleveland, Tennessee. The route takes its name from its part of Corridor K of the Appalachian Development Highway System, and is sometimes called Appalachian Highway or simply The Bypass. It is an abbreviation for Appalachian Development Number 40. The US 64 Byp. section of the road is also signed as SR 311 and part of US 74. The road is a four-lane divided highway its entire length and parts are controlled-access. The bypass is an east-west route and the state route is a north-south.

While the road is a bypass around downtown Cleveland, it has come to be one of the heaviest traveled roads in the area, with industries and major businesses locating to it. It has been reported as the road where the most roadway accidents and fatalities occur in Bradley County.

Route description