Banshee is an inverted roller coaster located at Kings Island amusement park in Mason, Ohio, United States. Designed and manufactured by Swiss company Bolliger & Mabillard, the ride opened to the public on April 18, 2014, and is the longest inverted coaster in the world, featuring a track length of 4,124 feet (1,257 m). Banshee was also the most expensive project in Kings Island's history at the time, costing the park $24 million to construct. The ride includes seven inversions and travels up to a maximum speed of 68 mph (109 km/h). It operates with three trains, each with eight cars, producing an hourly capacity of 1,650 riders.