The Johnstown Inclined Plane is a 896.5-foot (273.3 m) funicular in Johnstown, Cambria County, in the U.S. state of Pennsylvania. The incline and its two stations connect the city of Johnstown, situated in a valley at the confluence of the Stonycreek and the Little Conemaugh rivers, to the borough of Westmont on Yoder Hill. The Johnstown Inclined Plane is billed as the "world's steepest vehicular inclined plane". It can carry automobiles and passengers, up or down a slope with a grade of 71.9%. The travel time between stations is 90 seconds.
After a catastrophic flood in 1889, the Johnstown Inclined Plane was completed in 1891 to serve as an escape route from floods in the valley, as well as a convenient mode of transportation for residents of the new communities above the valley. It was operated by Cambria Iron Company and its successor Bethlehem Steel until 1935, when it was sold to the borough of Westmont. The incline was briefly shut down in 1962 when its supply of power from Bethlehem Steel was terminated.
Twice in its history, the Johnstown Inclined Plane fulfilled its role as a means of evacuation from floods—once in 1936 and again in 1977. The incline was listed on the National Register of Historic Places in 1973 and was designated a Historic Mechanical Engineering Landmark in 1994. It had major renovations in 1962 and from 1983 to 1984.
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