passengers at Fantasyland Station, and the conductor would throw the switch to let the trains run in reverse along the spur line leading back to the WDWRR's roundhouse. Once the trains are back inside the roundhouse, the machine shop crew gives them a thorough inspection and performs repairs if needed. After midnight, the locomotives' tenders get replenished with diesel oil. The roundhouse stores the WDWRR's locomotives and passenger cars on the lower level, while the upper level houses the storage and maintenance facility for the Walt Disney World monorails. Block signals The WDWRR uses block signals to notify the engineers, firemen, and conductors on each train whether the track segments along the railroad's of main-line track are clear or occupied by other trains. They are also used to notify WDWRR personnel when Big Thunder Mountain Railroad's transfer track is swung over the WDWRR's track to transfer trains on and off the roller coaster. The WDWRR's track is divided into seven such segments, or blocks, and each block has a track-side block signal to communicate its status. Block signals are located at each of the three stations, alongside the three main-line blocks between the stations, and alongside the spur line connecting the WDWRR's roundhouse to the main line. See also Hogwarts Express (Universal Orlando Resort) Rail transport in Walt Disney Parks and Resorts Serengeti Express Sugar Express TECO Line Streetcar References Bibliography External links 1971 establishments in Florida 3 ft gauge railways in the United States Fantasyland Frontierland Heritage railroads in Florida Magic Kingdom Main Street, U.S.A. Narrow gauge railroads in Florida Passenger rail transportation in Florida Rail transport in Walt Disney Parks and Resorts Railroads of amusement parks in the United States Railway lines opened in 1971 Transportation in Orange County, Florida Walt Disney Parks and Resorts attractions Walt Disney World transit