The company's name is a play on the saying "Go Crazy", since Loco means crazy in Spanish, and is also a short form of the word Locomotive. They appear to be the only railroad operating in San Andreas during the events of Grand Theft Auto V. Since the company's name is of Spanish origin, this further suggests the possibility that it is a parody of Rio Grande Railroad (Denver And Rio Grande Western or D&RGW as known by most train enthusiasts). However, Rio Grande only operated track in Colorado, Utah, and New Mexico and has been defunct since the late 1980s (specifically regarding the merger between the Southern Pacific railroad in 1988-1989, which in turn merged with the Union Pacific in 1996). Go Loco appears to operate a fleet exclusively of unique types of diesel locomotives reminiscent