Tennessee State Route 186
State Route 186 (SR 186) is a state highway in the U.S. state of Tennessee. It runs from Trenton southward to Jackson, passing through the towns of Gibson and Three Way along the way. The southern portion serves as a western bypass for the city of Jackson, which is signed as U.S. Route 45 Bypass (US 45 Bypass). U.S. Route 45 Bypass U.S. Route 45 Bypass (US 45 Bypass), also known as Keith Short Bypass, is an approximately 10 mile expressway bypass for US 45 in Jackson, Tennessee. It has the unsigned designation of State Route 186 (SR 186) for its entire length. Route description US 45 Bypass begins at an intersection with US 45 (SR 5/Highland Avenue) and US 70 (SR 1/E Chester Street) in downtown. It goes north as a four-lane divided highway, concurrent with US 70/SR 1, to leave downtown and pass through industrial areas to have a signalized intersection with State Street. It then curves to the north and US 70/SR 1 immediately split off and go east along Airways Boulevard towards McKellar-Sipes Regional Airport. US 45 Bypass continues through suburban neighborhoods to pass through a business district before having an interchange with Hollywood Drive. It