The Walt Disney World Monorail System is a public transit monorail system in operation at the Walt Disney World Resort in Bay Lake, Florida, near Orlando. The Walt Disney World Resort currently operates twelve Mark VI monorail trains on three lines of service. The monorail system opened in 1971 with two routes (Magic Kingdom: Resort and Express) and with Mark IV monorail trains. It was expanded to three lines (Magic Kingdom: Resort and Express, plus Epcot) in 1982, and the rolling stock was updated to Mark VI trains in 1989. , the system is one of the most heavily used monorail systems in the world, with over 150,000 daily riders. It is surpassed by the Tokyo Monorail in Tokyo, Japan, which has over 300,000 daily riders; and by the monorail system run by Chongqing Rail Transit in Chongqing, China, which has over 900,000 daily riders on Line 2 and Line 3 combined. The Walt Disney World system nevertheless remains one of the most famous and well-known monorails in the world, along with the Disneyland Monorail System at Disneyland in Anaheim, CA. Lines, stations, and infrastructure The Walt Disney World Monorail spans , with around 50 million Disney guests traveling on the monorail each year. The system opened with the rest of the Walt Disney World Resort on October 1, 1971. It initially featured four stations: the Transportation and Ticket Center, Disney's Polynesian Resort, the Magic Kingdom and Disney's Contemporary Resort. The Epcot line and station were added during that park's construction, opening on October 1, 1982. The most recent addition was the Grand Floridian station, which was opened in 1988 along with the resort hotel. Since then, no further additions have been made, and no expansions are planned due to prohibitive construction costs, though a legal easement for monorail construction through Disney's Saratoga Springs Resort & Spa dating back to 1970 still exists. There are two distinct routes on the monorail system, with three different services: Magic Kingdom Express: The Express service runs counter-clockwise around the outer loop, providing nonstop service between the Magic Kingdom and the Transportation and Ticket Center. Magic Kingdom Resort: The Resort line runs clockwise around the inner loop, and also services the resorts around the Seven Seas Lagoon with stops at Disney's Contemporary Resort, Disney's Polynesian Village Resort, and Disney's Grand Floridian Resort and Spa. Epcot: The Epcot line runs from the Transportation and Ticket