A detrainment device is equipment on a

rail vehicle The term rolling stock in the rail transport industry refers to railway vehicles, including both powered and unpowered vehicles: for example, locomotives, freight and passenger cars (or coaches), and non-revenue cars. Passenger vehicles can b ...

that provides an evacuation route for the passengers. It usually consists of a set of steps or a ramp, located at a doorway, allowing passengers to leave the vehicle in an emergency, vehicle breakdown or

accident An accident is an unintended, normally unwanted event that was not directly caused by humans. The term ''accident'' implies that nobody should be blamed, but the event may have been caused by unrecognized or unaddressed risks. Most researche ...

. A detrainment device is moved from a stored location into an operational position, usually above the coupler at the end of a

passenger car A car or automobile is a motor vehicle with wheels. Most definitions of ''cars'' say that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people instead of goods. The year 1886 is regarded as t ...

. A detrainment device may consist of a manually placed, hinged, foldable or telescopic ladder or ramp. A detrainment device may allow evacuation to track level, or to a coupled railcar. A detrainment device may be fitted with handrails. In other cases, evacuation may be via the vehicle passenger side doors to a trackside walkway in a tunnel, without the use of a detrainment device.

Types

Examples of the main types of detrainment device currently in service include:

Steps, stored loose inside the driver's cab or the passenger saloon

* Historically the most common arrangement

Hinged steps, stored inside the driver's cab or the passenger saloon

London Underground S Stock The London Underground S7 and S8 Stock, commonly referred to as S Stock, is a type of passenger train running on the London Underground's subsurface lines since 2010. Manufactured by Bombardier Transportation's Derby Litchurch Lane Works, the S ...

Steps, folding, hinging or sliding out from the doorway

London Underground 1973 Stock The London Underground 1973 Stock is a type of rolling stock used on the Piccadilly line of the London Underground. It was introduced into service in 1975 with the extension of the line to Hatton Cross, followed by a further extension to Hea ...

(refurbished) *

London Underground 1996 Stock The London Underground 1996 Stock is a type of rolling stock used on the Jubilee line of the London Underground. The trains were built by GEC Alsthom-Metro-Cammell and entered service in 1997. They are similar to the 1995 Stock used on the Nor ...

British Rail Class 378 The British Rail Class 378 ''Capitalstar'' is an electric multiple unit passenger train specifically designed for the London Overground network. It is part of Bombardier Transportation's Electrostar family. A total of 57 five-car trains have b ...

Ramp, sliding out from below the doorway

London Underground 1992 Stock The London Underground 1992 Stock is a type of rolling stock used on the Central and Waterloo & City lines of the London Underground. A total of 85 eight-car trains were built for the Central line and 5 four-car trains were built for the Wate ...

* Manila Line 2 Stock

Ramp, folding out from the doorway

* MTR Metro Cammell EMU * MTR Metro Cammell EMU (Disneyland Resort line) stock *

Kawasaki Heavy Industries C151 The Kawasaki Heavy Industries C151 is the first generation electric multiple unit (EMU) rolling stock in operation on the North South and East West lines of Singapore's Mass Rapid Transit (MRT) system, manufactured by a consortium led by Kawa ...

Siemens C651 The Siemens C651 is the second generation electric multiple unit rolling stock in operation on the North South and East West lines of Singapore's Mass Rapid Transit (MRT) system, manufactured by Siemens (SIE) under Contract 651. A total of 1 ...

Kawasaki Heavy Industries & Nippon Sharyo C751B The Kawasaki Heavy Industries & Nippon Sharyo C751B is the third generation electric multiple unit rolling stock in operation on the North South and East West lines of Singapore's Mass Rapid Transit (MRT) system since early 2000, manufactured ...

, Kawasaki Heavy Industries & CSR Sifang C151A *

Delhi Metro The Delhi Metro is a mass rapid transit (MRT) system serving Delhi and its satellite cities of Ghaziabad, Faridabad, Gurgaon, Noida, Bahadurgarh and Ballabhgarh, in the National Capital Region of India. The network consists of 10 colour ...

RS2 and RS3 *

Alstom Metropolis C751A The Alstom Metropolis C751A is the first generation of communications-based train control (CBTC) electric multiple unit rolling stock in operation on the North East line of Singapore's Mass Rapid Transit (MRT) system since 2003. 25 trainsets w ...

–

North East line The North East MRT line (NEL) is a high-capacity Mass Rapid Transit (MRT) line in Singapore. Operated by SBS Transit, it is the shortest MRT line at . The line runs from HarbourFront station in southern Singapore to Punggol station in the no ...

PNR A passenger name record (PNR) is a record in the database of a computer reservation system (CRS) that contains the itinerary for a passenger or a group of passengers travelling together. The concept of a PNR was first introduced by airlines that ...

203 Series EMU, Khia 52 Trains, JR 12/14 Series (Ladder Only) *

Hyundai-Rotem Hyundai Rotem (founded in 1977) is a South Korean company that manufactures rolling stock, defense products and plant equipment. It is a part of the Hyundai Motor Group. Its name was changed from Rotem to Hyundai Rotem in December 2007 to refl ...

MTR K-Stock EMU The Rotem EMU (also known as K-Train/K-Stock) is an electric multiple unit that operates on the MTR rapid transit railway system in Hong Kong. They were jointly built by a consortium consisting of Mitsubishi Heavy Industries of Japan and Hy ...

Kaohsiung Mass Rapid Transit Kaohsiung Metro () is a rapid transit and light rail system covering the metropolitan area of Kaohsiung, Taiwan. Its rapid transit network is known as Kaohsiung Mass Rapid Transit or Kaohsiung MRT. Construction of the MRT started in October 20 ...

MTR Corporation MTR Corporation Limited is a majority government-owned public transport operator and property developer in Hong Kong which operates the Mass Transit Railway, the most popular public transport network in Hong Kong. It is listed on the Hon ...

- MTR Corporation C-Train EMU

Tensioned Fabric ramp, deploying from the doorway

* MTR Corporation Airport Express A-Stock EMU *

Siemens Modular Metro The Siemens Modular Metro is a family of electric multiple unit trains for rapid transit systems produced by Siemens Mobility (originally Siemens Transportation Systems) and used by rail operators around the world. The vehicle concept was launched ...

and Bombardier Changchun Coaches – Bangkok

BTS Skytrain The Bangkok Mass Transit System, commonly known as the BTS Skytrain ( th, รถไฟฟ้าบีทีเอส '' TS'), is an elevated rapid transit system in Bangkok, Thailand. It is operated by Bangkok Mass Transit System PCL (BTSC) ...

KTM KTM AG (Kraftfahrzeug Trunkenpolz Mattighofen, formerly KTM Sportmotorcycle AG) is an Austrian motorcycle, bicycle and sports car manufacturer owned by Pierer Mobility AG and the Indian manufacturer Bajaj Auto. It was formed in 1992 but traces ...

Train Coaches (even Tiger Trains) * Bombardier MOVIA C951 -

Downtown line zh, 滨海市区地铁线 ta, டவுன்டவுன் எம்ஆர்டி வழி , color = , logo = Downtown Line logo.svg , logo_width = 250px , image = DT17 Downtown Platform B 1.jpg , i ...

* Alstom Metropolis C830 – Circle line *

Alstom Metropolis C751C The Alstom Metropolis C751C is the second generation of communication-based train control (CBTC) electric multiple unit rolling stock in operation on the North East line of Singapore's Mass Rapid Transit (MRT) system. 18 trainsets of 6 cars we ...

Alstom Metropolis C830C The Alstom Metropolis C830C is the second generation of communication-based train control (CBTC) electric multiple unit rolling stock in operation on the Circle line of Singapore's Mass Rapid Transit (MRT) system. 24 trainsets of 3 cars were ma ...

Alstom Metropolis The Alstom Metropolis is a family of electric multiple units designed and produced by the French rolling stock manufacturer Alstom. It is designed for high capacity rapid transit or metro rail infrastructure systems. Trains can be run in various ...

Barcelona Metro line 9

Performance

User trials on prototype equipment in controlled conditions have indicated that a wide detrainment ramp will allow the evacuation of 2500 passengers in 28 minutes if the ramp, its handrails and the cab and saloon throughways are correctly specified. Modern detrainment step systems can detrain one person every two seconds.

References

{{Reflist, 2

External links

YouTube video: How to deploy the emergency detrainment door on the North East Line (Alstom Metropolis C751A)

Toronto Rocket detrainment device
Passenger rail rolling stock Railway safety