The Walt Disney World Monorail System is a public transit monorail in operation at the Walt Disney World Resort in Bay Lake, Florida, near Orlando. The resort operates twelve Mark VI monorail trains on three lines of service. The monorail system opened in 1971 with two routes and with Mark IV monorail trains. It was expanded to three lines in 1982, and the rolling stock was updated to Mark VI trains in 1989.
