T Express
The T Express, debuted in 2006, is the first wooden roller coaster and the largest of any kind in South Korea. The T Express is the 6th longest wooden coaster in the world at 5,838 feet (1,779 m) long. It is also the steepest, with the first drop inclined at 77 degrees. Its name comes from the logo of conglomerate SK Corporation's SK Telecom service.