ExpressTram

Last updated
ExpressTram
DTW ExpressTram (51415317805) (cropped).jpg
An ExpressTram train near the south station in 2021.
Overview
OwnerWayne County Airport Authority
Locale Detroit Metropolitan Wayne County Airport, Romulus, Michigan
Termini
  • McNamara Concourse A (north station)
  • McNamara Concourse A (south station)
Stations3
Service
Type People mover
Operator(s)Otis Elevator Company
Rolling stock2 × 2-car Otis Hovair
History
OpenedFebruary 24, 2002;22 years ago (2002-02-24)
Technical
Line length3,700 ft (0.70 mi; 1.1 km)
CharacterServes McNamara Concourse A
Operating speedEast Train: 31 mph (50 km/h), West Train: 26 mph (42 km/h)
Route map

Contents

BSicon utKDSTa.svg
BSicon uhtSTRe.svg
BSicon FLUGr.svg
BSicon uhACC.svg
North Station
Gates
A56–A78
BSicon lhvSTR(l).svg
BSicon uhvSHI2gl-.svg
BSicon hvSHI2+r-~R.svg
BSicon FLUGr.svg
BSicon hdvBHF~LLL.svg
BSicon lvACC.svg
BSicon uhvSTR.svg
BSicon hdvBHF~RRR.svg
BSicon BUS2.svg
Terminal Station
Gates
A29–A55
BSicon lhvSTR(l).svg
BSicon uhvSHI2g+l-.svg
BSicon hvSHI2r-~R.svg
BSicon FLUGr.svg
BSicon uhKACCe.svg
South Station
Gates
A1–A28

The ExpressTram is an automated people mover system operating at Detroit Metropolitan Wayne County Airport, in Romulus, Michigan, USA. The driverless system transports passengers along Concourse A of the airport's Edward H. McNamara Terminal, which is the world's second-longest airport concourse. Detroit Metro Airport serves as the second largest hub for Delta Air Lines, after Atlanta.

History

A tram in 2005 with its previous Northwest Airlines branding DTW Edward H. McNamara Terminal.jpg
A tram in 2005 with its previous Northwest Airlines branding

Plans were announced for the McNamara Terminal in 1996 by Wayne County and Northwest Airlines, who operated their largest hub in Detroit at the time. [1] The McNamara Terminal was designed to accommodate Northwest's hub operation, which was previously housed in the airport's Davey Terminal. As part of the design, a people mover on the upper level of Concourse A was planned to help transport passengers quickly thorough the 4,900-foot (0.93 mi) concourse. The people mover, which was eventually named ExpressTram, was the world's first airport people mover to operate on the inside of a terminal building, and not outdoors or in tunnels like other airports. [2]

The ExpressTram entered service when the McNamara Terminal opened on February 24, 2002. The two trams on the system were painted red because Northwest Airlines' primary branding color was red. Northwest merged with Delta Air Lines in 2010, who continues to operate the Detroit hub. Despite the merger, the trams have retained their red color, but new Delta logos replace the Northwest ones. [3]

The trams were refurbished in early 2019. [4]

Technology

A tram at the Terminal Station DTW Tram 2.jpg
A tram at the Terminal Station

The system was custom designed by Poma-Otis Transportation Systems, a joint venture between Otis Elevator Company and Poma that has since been dissolved. Installation was performed by Otis, who currently operates and maintains the system.

The system operates 21 feet (6.4 m) above the main floor, and it consists of two cable-driven trams that ride upon an air-cushion, similar to a hovercraft. 3-PSI of air pressure is enough to lift the tram vehicles approximately 1/2" above the guideway surface. (The same "Hovair" technology is used in the Hub Tram and the Cincinnati Airport People Mover) Each tram is made up of two cars and can carry up to 208 passengers at a time. The track, referred to as a guideway in the APM industry, is over 3,700 feet (1,100 m) long.

LED displays in the stations, and in the trams, provide information, such as the upcoming stops, supplemented with a pre-recorded male voice which delivers audio information and warnings.

Route

The Center Bypass at the Terminal Station ExpressTram Track.JPG
The Center Bypass at the Terminal Station
The Terminal Station DTW Tram Station.jpg
The Terminal Station

The ExpressTram services three stations along Concourse A. The stations at the ends of the concourse are appropriately named the North Station (which serves gates A56–A78) and the South Station (which serves gates A1–A28). The center station serves gates A29–A55, Luggage Claim, Ground Transportation, and Concourses B and C. The center station is officially known as the Terminal Station, based upon its close proximity to the main terminal building, which houses baggage claim, airline check-in counters, and ground transportation facilities. A maintenance garage lies beyond the North Station.

The system's primary infrastructure consists of a single guide-way. At the Terminal station, a bypass guideway splits from the main guideway allowing the two trams to pass each other. The Terminal station has an island platform between the main guideway and the bypass. Operating software attempts to keep the trams synchronized, so that the trams arrive at the Center Station simultaneously, but this is not essential. In the event that trams lose synchronization, as is frequently the case with passenger induced delays, the first tram to arrive at the Center station will be held until the opposite tram enters the bypass area, providing a clear path for the waiting tram.

See also

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References

  1. "Airport History". Detroit Metro Airport. Retrieved 20 April 2022.
  2. "DTW McNamara Terminal: Simple, Straightforward, Streamlined". The Metropolitan. 1 January 2015. Retrieved 20 April 2022.
  3. "DTW WORLDGATEWAY 20TH ANNIVERSARY". Northwest Airlines History. 10 April 2022. Retrieved 13 April 2022.
  4. "Tram upgrades complete in Detroit Metropolitan Airport's McNamara Terminal". Detroit Metro Airport. Retrieved 20 April 2022.