If you ask any die-hard Disney fan to list the most painful losses in theme park history, Disneyland’s PeopleMover will almost certainly rank near the top. For nearly three decades, the gentle, elevated highway offered guests an iconic bird’s-eye tour of Tomorrowland before quietly closing its gates in 1995. While Magic Kingdom faithful can still enjoy the smooth glide of the Tomorrowland Transit Authority PeopleMover in Walt Disney World, most fans assume that Walt Disney World has the only operating Disney-designed WEDway PeopleMover still running at a Disney property.Credit: Effie3, FlickrThey would be wrong.Hidden beneath the subterranean concourses of George Bush Intercontinental Airport (IAH) in Houston, Texas, sits a fully operational, Disney-designed transit system. Officially known as the Subway, Disney didn’t just design this underground train—it was developed using technology from WED Enterprises, the original name for Walt Disney Imagineering.Unlike Disneyland’s defunct track, which now sits as a silent ghost highway weaving through Anaheim’s Tomorrowland, Disney’s airport subway in Texas has been transporting millions of air travelers every year for more than four decades.Here is the incredible story of Disney’s only PeopleMover built outside Disney property, and how Disney turned an EPCOT-inspired transportation concept into a real-world airport subway, and why it is still running today.The Secret Origin of Disney’s Airport SubwayTo understand why Disney technology ended up beneath a Texas airport, you have to look back at Walt Disney’s grandest vision: EPCOT.Credit: DisneyWhen Walt Disney purchased thousands of acres of central Florida swamp in the mid-1960s, he didn’t intend to build just a bigger Magic Kingdom. His original dream was the Experimental Prototype Community of Tomorrow. In this futuristic, functioning city, 20,000 residents would live, work, and commute without the noise, pollution, and traffic jams of private automobiles.The key to Walt’s traffic-free utopia was public transportation. Electric monorails would handle long-distance commutes between the city center and outer hubs, while a continuous, silent system—the WEDway PeopleMover—would move people through the urban core.Credit: Loren Javier, FlickrWhen WED Enterprises developed the PeopleMover for Disneyland’s 1967 Tomorrowland overhaul, it represented a practical demonstration of an automated transportation concept that Disney believed could have applications beyond amusement parks. Disney wasn’t just building amusement park rides; the company was also showcasing transportation technology.Houston Intercontinental Airport opened in 1969, and as the airport’s transportation needs evolved, officials eventually sought a new automated inter-terminal system. Houston ultimately selected Disney’s WEDway technology through a competitive process in 1979.Credit: DisneyImpressed by Disney’s innovative transit technology, the Houston Airport System contracted with WEDway to develop a new underground PeopleMover system.How Disney Built a Subway: Linear Induction and Passive CarsWhen WEDway was selected for Houston, the designers used a transportation system based on the same basic principles that had made Disney’s PeopleMover concept distinctive.Credit: The West End, FlickrDisneyland’s 1967 PeopleMover used electric-motor-driven rubber wheels embedded directly into the track to propel passive, motorless cars forward. Later, WEDway systems used Linear Induction Motors (LIMs) to propel lightweight vehicles along the guideway.Here is how the Disney technology worked:Passive Vehicles: The subway cars had no onboard propulsion system. They were lightweight vehicles designed to be moved by the track-based propulsion system.Track-Based Propulsion: Linear induction motors along the guideway generated electromagnetic forces that propelled the vehicles through the tunnel.Continuous Flow: Because the propulsion system was integrated into the guideway, the vehicles could move smoothly around a continuous loop with relatively little mechanical complexity in the vehicles themselves.Credit: The West End, FlickrThe Houston WEDway Subway officially opened on August 17, 1981. The system used an underground loop to connect the airport’s terminals and hotel, providing an automated way to move travelers and airport users around the growing complex.While Magic Kingdom’s WEDway PeopleMover had opened in 1975, Houston’s system, therefore, represents a later application of Disney’s transportation technology rather than the source of the technology eventually used at Walt Disney World.Disneyland vs. Houston: A Tale of Two PeopleMoversIt is one of the ultimate paradoxes of Disney history: why did Disneyland’s PeopleMover close forever while Houston’s Disney subway kept rolling?The end of Disneyland’s PeopleMover came after Disney pursued a high-speed attraction for the 1998 “New Tomorrowland” overlay. The PeopleMover was replaced by Rocket Rods, a high-speed attraction that used the original 1967 PeopleMover track support structure.Rocket Rods struggled with mechanical reliability, and the attraction ultimately closed permanently after its brief run. Contemporary reporting also noted problems caused by trying to operate a high-speed vehicle on the existing PeopleMover route, including the track’s lack of banking for the higher-speed operation. Meanwhile, in Houston, the Subway faced no such identity crisis. It wasn’t forced into becoming a high-speed coaster competing with thrill rides. It had one job: move airport passengers safely and efficiently through an underground tunnel.Credit: DisneyOver the decades, the Houston airport system expanded, adding Terminals D and E. The underground system was extended and periodically updated, while the original WEDway infrastructure continued serving the airport.Yet, beneath the modern exterior and updated vehicle bodies, the fundamental underground tunnel and WEDway transportation concept remain intact.Riding Disney’s Hidden Underground Transit TodayFor Disney fans traveling through Texas, riding the Houston Airport Subway is like discovering a secret piece of Imagineering history hiding in plain sight.Credit: Inside the MagicUnlike many modern airport transit systems that sit post-security inside terminal concourses, the Subway at IAH operates pre-security on the underground level (Level LL). It forms a continuous loop connecting:Terminal ATerminal BTerminal CTerminal D / EThe Marriott HotelIt is completely free to ride and operates approximately every three minutes during its scheduled daily operating hours. No ticket or boarding pass is required to use the system.As you step into the subterranean station and board the smooth, gliding train car, the sensation is instantly familiar to anyone who has spent an afternoon cruising over Magic Kingdom’s Tomorrowland. There is no loud engine roar, no jerky gear shifts—just a gentle, seamless glide through lit underground tunnels.A Living Legacy of Walt’s VisionWhile Disney fans rightly treasure the Magic Kingdom PeopleMover and dream of the day Disneyland’s track might come back to life, the Houston Airport Subway stands as a testament to the real-world practicality of Disney transportation technology.Credit: DisneyWalt Disney believed that the technology developed by his artists and engineers could solve everyday problems in the real world. More than 45 years after the Disney-designed WEDway system opened beneath Houston’s airport, it is still getting people to where they need to go—proving that the ideas behind Disney’s transportation innovations can have a life far beyond the theme parks.So the next time you find yourself with a layover at Houston Intercontinental Airport, skip the terminal food court for a few minutes. Take the escalator down to Level LL, step aboard the Subway, and take a ride on Disney’s forgotten, still-running WEDway PeopleMover.One important catch: Houston Airports says the existing Subway is approaching the end of its useful life, and the airport is planning a replacement system to operate within the existing tunnel. The current system remains highly reliable, but its eventual replacement means this unusual piece of Disney history may not operate forever.The post The Forgotten PeopleMover: Disney Built a Third PeopleMover, and Unlike Disneyland’s, It’s Still Running Today appeared first on Inside the Magic.