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A people mover or automated people mover (APM) is a type of small scale automated guideway transit system. The term is generally used only to describe systems serving relatively small areas such as airports, downtown districts or theme parks.
The term was originally applied to three different systems, developed roughly at the same time. One was Skybus, an automated mass transit system prototyped by the Westinghouse Electric Corporation beginning in 1964.    The second, alternately called the People Mover and Minirail, opened in Montreal at Expo 67. Finally the last, called PeopleMover or WEDway PeopleMover, was an attraction that was originally presented by Goodyear Tire and Rubber Company and that opened at Disneyland in 1967.  Now, however, the term "people mover" is generic, and may use technologies such as monorail, rail tracks, automated guideway transit or maglev. Propulsion may involve conventional on-board electric motors, linear motors or cable traction.
Generally speaking, larger APMs are referred to by other names. The most generic is "automated guideway transit", which encompasses any automated system regardless of size. Some complex APMs deploy fleets of small vehicles over a track network with off-line stations, and supply near non-stop service to passengers. These taxi-like systems are more usually referred to as personal rapid transit (PRT). Larger systems, with vehicles with 20 to 40 passengers, are sometimes referred to as " group rapid transit" (GRT), although this term is not particularly common. Other complex APMs have similar characteristics to mass transit systems, and there is no clear cut distinction between a complex APM of this type and an automated mass transit system. Another term " light metro" is also applied to describe the system worldwide.   
One of the first automated systems for human transportation was the screw-driven 'Never-Stop-Railway',   constructed for the British Empire Exhibition at Wembley, London in 1924. This railway consisted of 88 unmanned carriages, on a continuous double track along the northern and eastern sides of the exhibition, with reversing loops at either end.
The carriages ran on two parallel concrete beams and were guided by pulleys running on the inner side of these concrete beams,   and were propelled by gripping a revolving screw thread running between the tracks in a pit; by adjusting the pitch of this thread at different points, the carriages could be sped up, or slowed down to a walking pace at stations, to allow passengers to join and leave. The railway ran reliably for the two years of the exhibition, and was then dismantled. 
In late 1949, Mike Kendall, chief engineer and Chairman of the Board of Stephens-Adamson Manufacturing Company, an Illinois-based manufacturer of conveyor belts and systems,  asked Al Neilson, an engineer in the Industrial Products Division of Goodyear Tire and Rubber Co., if Goodyear had ever considered working on People Movers. He felt that with Goodyear's ability to move materials in large quantities on conveyor belts they should consider moving batches of people.
Four years of engineering design, development and testing led to a joint patent being issued for three types of people movers, named Speedwalk, Speedramp, and Carveyor. Goodyear would sell the concept and Stephens-Adamson would manufacture and install the components.
A Speedwalk consisted of a flat conveyor belt riding on a series of rollers, or a flat slippery surface, moving at 1.5 mph (2.4 km/h) (approximately half the speed of walking). The passengers would walk onto the belt and could stand or walk to the exit point. They were supported by a moving handrail. Customers were expected to include airport terminals, ballparks, train stations, etc. Today, several manufacturers produce similar units called moving walkways.
A Speedramp was very similar to a Speedwalk but it was used to change elevations; up or down a floor level. This could have been accomplished by an escalator, but the Speedramp would allow wheeled luggage, small handcarts etc. to ride the belt at an operating cost predicted to be much lower than escalators or elevators. The first successful installation of a Speedramp was in the spring of 1954 at the Hudson and Manhattan Railroad Station in Jersey City, New Jersey to connect the Erie Railroad to the Hudson and Manhattan Tubes. This unit was 227 feet (69 m) long with a rise of 22 feet (6.7 m) on a 15 degree grade, and only cost $75,000.
A Carveyor consisted of many small cubicles or cars carrying ten people riding on a flat conveyor belt from point A to point B. The belt rode on a series of motorized rollers. The purpose of the motorized rollers was to facilitate the gradual acceleration and deceleration speeds on the conveyor belt and overcome the tendency of all belts to stretch at start up and during shutdown. At point "A" passengers would enter a Speedwalk running parallel to the belts and cars of the Carveyor. The cars would be moving at the same speed as the Speedwalk; the passengers would enter the cars and be seated, while the motorized rollers would increase the speed of the cars up to the traveling speed (which would be preset depending on the distance to be covered). At point B Passengers could disembark and by means of a series of flat slower belts (Speedwalks) go to other Carveyors to other destinations or out to the street. The cars at point B would continue on rollers around a semicircle and then reverse the process carrying passengers back to point A. The initial installation was to be the 42nd Street Shuttle in New York City between Times Square and Grand Central station.
The first mention of the Carveyor in a hardback book was in There's Adventure in Civil Engineering by Neil P. Ruzic (1958), one of a series of books published by Popular Mechanics in the 1950s in their "Career" series.  In the book the Carveyor was already installed and operational in downtown Los Angeles.
Colonel Sydney H. Bingham, Chairman of the New York City Board of Transportation, had several meetings with a group of architects who were trying to revamp the whole New York City Subway system in the heart of town to connect Pennsylvania Station, Madison Square Garden, Times Square, Grand Central and several new office complexes together. Several of these architects were involved in other programs, and in later years many variations of the Carveyor people movers were developed.
In November 1954 the New York City Transit Authority issued an order to Goodyear and Stephens-Adamson to build a complete Carveyor system between Times Square and Grand Central. A brief summary and confirmation can be found in Time magazine on November 15, 1954. under the heading "Subway of the Future".  The cost was to be under $4 million, but the order was never fulfilled due to political difficulties.
The term 'people mover' was used by Walt Disney, when he and his Imagineers were working on the new 1967 Tomorrowland at Disneyland. The name was used as a working title for a new attraction, the PeopleMover. According to Imagineer Bob Gurr, "the name got stuck," and it was no longer a working title. 
Starting in the late 1960s and into the 1970s, people movers were the topic of intense development around the world. Worried about the growing congestion and pollution in downtown areas due to the spread of cars, many countries started studying mass transit systems that would lower capital costs to the point where any city could afford to deploy them. Most of these systems used elevated guideways, which were much less expensive to deploy than tunnels. However, elevating the track causes problems with noise, so traditional steel-wheel-on-rail solutions were rare as they squealed when rounding bends in the rails. Rubber tired solutions were common, but some systems used hovercraft techniques or various magnetic levitation systems.
Two major government funded APM projects are notable. In Germany, Mannesmann Demag and Messerschmitt-Bölkow-Blohm developed a system known as Cabinentaxi during the 1970s. Cabinentaxi featured small cars with from four to eight seats that were called to pick up passengers on-demand and drove directly to their destination. The stations were "offline", allowing the cabs to stop by moving off the main lines while other cars continued to their destinations. The system was designed so the cars could be adapted to run on top or bottom of the track (but not easily converted from one to the other), allowing dual-track movements from a single elevated guideway only slightly wider than the cars. A test track was completed in 1975 and ran until development was completed in 1979, but no deployments followed and the companies abandoned the system shortly thereafter.
In the U.S., a 1966 federal bill provided funding that led to the development of APM systems under the Downtown People Mover Program. Four systems were developed, Rohr's ROMAG, LTV's AirTrans, Ford's APT and Otis Elevator's hovercraft design. A major presentation of the systems was organized as TRANSPO'72 at Dulles Airport where the various systems were presented to delegations from numerous cities in the US. Prototype systems and test tracks were built during the 1970s. One notable example was Pittsburgh's Skybus, which was proposed by the Port Authority of Allegheny County to replace its streetcar system, which, having large stretches of private right of way, was not suited for bus conversion. A short demonstration line was set up in South Park and large tracts of land were secured for its facilities. However, opposition arose to the notion that it would replace the streetcar system. This, combined with the immaturity of the technology and other factors, led the Port Authority to abandon the project and pursue alternatives. By the start of the 1980s most politicians had lost interest in the concept and the project was repeatedly de-funded in the early 1980s. Only two APMs were developed as a part of the People Mover Program in the US, the Metromover in Miami, and the Detroit People Mover. The Jacksonville Skyway was built in the late 1980s.
Although many government-funded systems were generally considered failures, several APM systems developed by other groups have been much more successful. Lighter systems with shorter tracks are widely deployed at airports; the world's first airport people movers, the Tampa International Airport People Movers, were installed in 1971 at Tampa International Airport in the United States. APMs have now become common at large airports and hospitals in the United States.
Driver-less metros have become common in Europe and parts of Asia. The economics of automated trains tend to reduce the scale so tied to "mass" transit (the largest operating expense is the driver's salary, which is only affordable if very large numbers of passengers are paying fares), so that small-scale installations are feasible[ citation needed]. Thus cities normally thought of as too small to build a metro (e.g. Rennes, Lausanne, Brescia, etc.) are now doing so.
- Ansaldo STS
- Bombardier Innovia Metro
- Bombardier Innovia Monorail
- Kawasaki Heavy Industries Rolling Stock Company
- Mitsubishi Heavy Industry
- Véhicule Automatique Léger (VAL)
- Hyundai Rotem
- Ansaldo STS
- Bombardier Innovia APM
- DCC Doppelmayr Cable Car
- Leitner Group
- Poma Group
- Mitsubishi Heavy Industries Crystal Mover
- Parry People Movers (PPM)
- Hyundai Rotem
Many large international airports around the world feature people mover systems to transport passengers between terminals or within a terminal itself. Some people mover systems at airports connect with other public transportation systems to allow passengers to travel into the airport's city.
- Perugia, Minimetrò (fully automated)
- Milan, MeLA Line 2 - S. Raffaele Hospital (fully automated)
- Pisa, PisaMover (fully automated)
- Venice, Venice People Mover Isola del Tronchetto - Piazzale Roma.
- Kobe: Port Liner, Rokkō Liner
- Nagoya: Linimo, Nagoya Guideway Bus
- Saitama: New Shuttle
- Sakura: Yamaman Yūkarigaoka Line
- Tokorozawa: Seibu Railway Yamaguchi Line (Leo Liner)
- Yokohama: Seaside Line
- Porto: Funicular dos Guindais
- MRT Gold Line (under construction)
- AirRail Link
- Gatwick Airport Shuttle
- Heathrow Terminal 5 Transit
- Luton DART
- Stansted Airport Transit System
- Detroit, Michigan: Detroit People Mover
- Jacksonville, Florida: Jacksonville Skyway (monorail)
- Las Vegas, Nevada: Las Vegas Monorail (monorail)
- Miami, Florida: Metromover, MIA Mover
- Seattle, Washington: Seattle Center Monorail (monorail)
- New York City, New York: AirTrain JFK
- Newark, New Jersey: AirTrain Newark (monorail)
- Montreal, Quebec: Minirail (The Minirail automated monorail at Expo 67, which incorporated track and rolling stock from the 1964 Swiss National Exhibition)
- Hong Kong: Disneyland Resort Line (urban transit connecting to amusement park)
- Hong Kong: Hong Kong Ocean Park Ocean Express (transit connecting the two areas of the amusement park)
- Hong Kong: Hong Kong International Airport Automated People Mover (transit connecting boarding gates with the immigration counters)
- Slope car, a small automated monorail found in various parts of Japan, can be considered as a simple form of people mover.
- Anaheim, California: The former PeopleMover attraction at Disneyland Resort, which ran from 1967 to 1995
- Bay Lake, Florida: The Tomorrowland Transit Authority PeopleMover attraction, which was formerly called the Wedway PeopleMover, in Tomorrowland at Magic Kingdom in Walt Disney World Resort which was opened in 1975
- Huntsville, Alabama: Huntsville Hospital People Mover Connects different buildings of the Huntsville Hospital System.
- Indianapolis, Indiana: Indiana University Health People Mover (service suspended indefinitely in February 2019)
- Las Colinas, Irving, Texas: Las Colinas APT System
- Morgantown, West Virginia: Morgantown Personal Rapid Transit
- Las Vegas, Nevada: Mandalay Bay Tram In addition to the Las Vegas Monorail, several people mover systems are in place in the Las Vegas Valley, Nevada. Three connect the McCarran International Airport terminals 1 and 3 to its C-, D-, and E-gates. Another connects The Mirage to Treasure Island Hotel and Casino. Two people mover connects hotels on the Las Vegas Strip. The Mandalay Bay Tram connects Excalibur, Luxor, and Mandalay Bay. The City Center Tram connects Monte Carlo, The Crystals in City Center, and the Bellagio.
- Orlando, Florida: The Hogwarts Express attraction, a funicular railroad within Universal Orlando Resort that connects the two The Wizarding World of Harry Potter sections, Hogsmeade at Islands of Adventure and Diagon Alley at Universal Studios Florida
- Reno, Nevada: Circus Circus Reno sky shuttle operates between hotel towers in Reno, Nevada. 
- Washington, D.C.: United States Capitol Subway System Dirksen/Hart Line
- New Orleans, Louisiana: SEF personnel in New Orleans-Convention Center
The following are Monorails which are considered as people movers also.
- Anaheim, California - Amusement park monorail at Disneyland Monorail System
- Bay Lake, Florida - Amusement park monorail at Walt Disney World Monorail System
- Hershey, Pennsylvania - Amusement park ride monorail at Hersheypark
- Lancaster, Pennsylvania - Amusement park ride monorail at Dutch Wonderland 
- Ocean City, New Jersey - Amusement park ride monorail at Gillians Wonderland Pier
- Marshall, Wisconsin - Amusement park ride monorail in Little Amerricka
- Miami, Florida - Zoo monorail at the Miami Zoo
- New York, New York - Zoo monorail at the Bronx Zoo
- Dallas, Texas - Zoo monorail at the Dallas Zoo
- Gilroy, California - Gilroy Gardens monorail provides users with an aerial view of the gardens' giant greenhouse
- Sacramento, California - California Exposition has a monorail that runs for more than a mile around their fairgrounds. It is only open during the California State Fair 
- Aiea, Hawaii - Pearlridge Center. Connects the Uptown part of the mall to the Downtown part of the mall. It is the only monorail system in Hawaii.
- Fairfield, Ohio - Jungle Jim's International Market monorail in Fairfield, Ohio brings riders from a remote parking lot to the Oscar Events Center; cars were originally used at nearby Kings Island. 
- Memphis, Tennessee - A short suspended monorail connects Mud Island in the Mississippi River to Memphis
An underground people mover, called The Plane Train, station at Hartsfield-Jackson Atlanta International Airport
- "Skybus in Pittsburgh". Archived from the original on 2010-02-10. Retrieved 2010-04-17.
- Massey, Steve. "Who killed Westinghouse?". Pittsburgh Post-Gazette. Archived from the original on 2007-11-17. Retrieved 2007-11-12.
- "Westinghouse Company Timeline (1940–1979)". Westinghouse Electric Company, LLC. Archived from the original on 2007-08-19. Retrieved 2007-11-12.
- Weiss, Werner. "PeopleMover at Disneyland". Yesterland.com. Archived from the original on 2007-11-07. Retrieved 2007-11-12.
- Michael Taplin (March 2013). "A world of trams and urban transit - A complete listing of Light Rail, Light Railway, Tramway & Metro systems throughout the World". Light Rail Transit Association (LRTA). Retrieved 2014-11-28.
- "Korean city opens automatic light metro". Rail Journal.com. Archived from the original on 2014-11-06. Retrieved 2014-11-24.
- "BJP promises light metro in Bhopal and Indore". dnaindia.com. Archived from the original on 2014-12-05. Retrieved 2014-11-28.
- British Film Institute Never-Stop Railway
- British Pathe (agency) Archived 2011-06-11 at the Wayback Machine Never-Stop Railway film (probably 1925)
- British Pathe (agency) Archived 2011-06-11 at the Wayback Machine Never-Stop Railway film (probably 1925), see at 01:24 for analyzing the guiding system
- Hulton Archive: modified tractor running on the 'Never Stop Railway' Archived 2013-07-23 at the Wayback Machine
- "Exhibiting the Empire". The Tribune. Chandigarh. Archived from the original on 2007-03-12. Retrieved 2006-11-06.
- The Times Archived 2009-09-25 at the Wayback Machine Comment on light-rail proposal
- "About S-A". Stephens-Adamson. Archived from the original on 2013-03-18. Retrieved 2014-01-05.
- Ruzic, Neil (1958). There's Adventure in Civil Engineering. Popular Mechanics Press. ASIN B0007E9RTY.
- Subway of the Future. Time. November 15, 1954.
- Gurr, Robert (2005). Ford's Magic Skyway and the PeopleMover (Documentary). United States: Extinct Attractions Club.
- Potter, John (12 July 2012). "A New Look at a Reno Classic: Downtown's Sky Shuttle". KTVN-TV. Archived from the original on 30 March 2017. Retrieved 29 March 2017.
- "Archived copy". Archived from the original on 2007-07-05. Retrieved 2007-07-09.CS1 maint: archived copy as title ( link)
- Hilton, Spud. "The monorail at CalExpo winds more than a - Media (3 of 4) State Fair's city of fun / California's". The San Francisco Chronicle.
- "Archived copy". Archived from the original on 2008-11-18. Retrieved 2008-07-19.CS1 maint: archived copy as title ( link)
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