Lookout Mountain Incline Railway

The Lookout Mountain Incline Railway is a 4 ft 8 ⁄₂ in (1,435 mm) standard gauge^[2] inclined plane railway located along the side of Lookout Mountain in the historic St. Elmo neighborhood of Chattanooga, Tennessee, in the United States. Passengers are transported from St. Elmo's Station at the base, to Point Park at the mountain summit, which overlooks the city and the Tennessee River. It is used as a way of transportation to three of Chattanooga's main tourist attractions, Ruby Falls, Cavern Castle, and Rock City.^[3] The railway is approximately one mile (1.6 km) in length (single-track except for a short two-track stretch (passing loop) at the midway point, allowing operation of two cars at one time), and has a maximum grade of 72.7%. It is billed as one of the world's steepest passenger railways.^[4] It obtained Historic Mechanical Engineering Landmark status in 1991. The cable system for the cars was made by Otis Elevator Company

• http://en.wikipedia.org/wiki/Lookout Mountain Incline Railway