The Bombardier Flexity Swift is a series of urban and inter-urban

tram A tram (called a streetcar or trolley in North America) is a rail vehicle that travels on tramway tracks on public urban streets; some include segments on segregated right-of-way. The tramlines or networks operated as public transport are ...

, light rail and

light metro A medium-capacity system (MCS), also known as light rapid transit or light metro, is a rail transport system with a capacity greater than light rail, but less than typical heavy-rail rapid transit. MCS’s trains are usually 1-4 cars, or 1 lig ...

vehicles manufactured by Bombardier Transportation. It is part of the

Bombardier Flexity The Alstom Flexity (sold as Bombardier Flexity before 2021, stylized in all caps) is a family of modern trams, streetcars and light rail vehicles manufactured by Bombardier Transportation, since 2021 a division of French company Alstom. As of ...

family of

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 be ...

s, and like the others, Flexity Swift vehicles can be customized to suit the needs and requirements of customers including legacy designs from its acquisition of Adtranz. ''Railly News'' reported that, by the end of 2015, more than 1,000 Flexity Swift vehicles had been sold.

Overview

Vehicles in the Flexity Swift family vary in length, but are all articulated, usually with three sections. In most cases, the centre section is very short, but can be replaced with a longer section in order to increase capacity, as London is considering doing for future lines. The trams can also be coupled together into

train In rail transport, a train (from Old French , from Latin , "to pull, to draw") is a series of connected vehicles that run along a railway track and transport people or freight. Trains are typically pulled or pushed by locomotives (often ...

s. Nevertheless, they are all bi-directional with cabs at both ends and doors on both sides. An emphasis is placed on speed with units capable of safely reaching speeds of when running on dedicated lines. Most vehicles typically weigh between , though the ones made for the Minneapolis line are heavier due to stricter

crashworthiness Crashworthiness is the ability of a structure to protect its occupants during an impact. This is commonly tested when investigating the safety of aircraft and vehicles. Depending on the nature of the impact and the vehicle involved, different crit ...

requirements in the United States (particularly

buff strength Buff strength is a design term used in the certification of passenger railroad cars. It refers to the required resistance to deformation or permanent damage due to loads applied at the car's ends, either from push-or-pull loads on the buffer, Jan ...

) and the vehicles in Rotterdam and Karlsruhe are also heavier due to their use on a full, high-capacity

rapid transit Rapid transit or mass rapid transit (MRT), also known as heavy rail or metro, is a type of high-capacity public transport generally found in urban areas. A rapid transit system that primarily or traditionally runs below the surface may be ...

network and on mainline railway tracks, respectively. The Flexity Swift family comes in two distinct versions with a 70%

low-floor Accessibility is the design of products, devices, services, vehicles, or environments so as to be usable by people with disabilities. The concept of accessible design and practice of accessible development ensures both "direct access" (i. ...

version to allow access to those in

wheelchair A wheelchair is a chair with wheels, used when walking is difficult or impossible due to illness, injury, problems related to old age, or disability. These can include spinal cord injuries ( paraplegia, hemiplegia, and quadriplegia), cerebr ...

s without requiring the construction of high platforms in city streets and a high-floor version with

level boarding Various terms are used for passenger railway lines and equipment; the usage of these terms differs substantially between areas: Rapid transit A rapid transit system is an electric railway characterized by high speed (~) and rapid acceleratio ...

at raised platforms, generally to retain compatibility with stations built for older trams or trains. While they typically use DC overhead lines for power collection, the Rotterdam vehicles are also equipped with

third rail A third rail, also known as a live rail, electric rail or conductor rail, is a method of providing electric power to a railway locomotive or train, through a semi-continuous rigid conductor placed alongside or between the rails of a railway ...

power capability for use on the central sections of the network, while the Karlsruhe

tram-train A tram-train is a type of light rail vehicle that meets the standards of a light rail system (usually an urban street running tramway), but which also meets national mainline standards permitting operation alongside mainline trains. This all ...

s are compatible with AC electrification which is used on the mainline railways. Both the low and high-floor models were originally developed for use on the

Cologne Stadtbahn The Cologne Stadtbahn is a light rail system in the German city of Cologne, including several surrounding cities of the Cologne Bonn Region ( Bergisch Gladbach, Bonn, Bornheim, Brühl, Frechen, Hürth, Leverkusen-Schlebusch, Wesseling). T ...

in Germany. Other uses of Flexity Swift vehicles include London

Tramlink London Trams, previously Tramlink and Croydon Tramlink, is a light rail tram system serving Croydon and surrounding areas in South London, England. It began operation in 2000, the first tram system in the London region since 1952. It is manage ...

Manchester Metrolink Manchester Metrolink (branded locally simply as Metrolink) is a tram/ light rail system in Greater Manchester, England. The network has 99 stops along of standard-gauge route, making it the most extensive light rail system in the United Ki ...

,Light Rail Transport Association
since the first on 25 June 2008. the tram networks in

Istanbul ) , postal_code_type = Postal code , postal_code = 34000 to 34990 , area_code = +90 212 (European side) +90 216 (Asian side) , registration_plate = 34 , blank_name_sec2 = GeoTLD , blank_i ...

and

Melbourne Melbourne ( ; Boonwurrung/Woiwurrung: ''Narrm'' or ''Naarm'') is the capital and most populous city of the Australian state of Victoria, and the second-most populous city in both Australia and Oceania. Its name generally refers to a met ...

, Rotterdam Metro,

Karlsruhe Stadtbahn The Karlsruhe Stadtbahn is a German tram-train system combining tram lines in the city of Karlsruhe with railway lines in the surrounding countryside, serving the entire region of the middle upper Rhine valley and creating connections to neighbou ...

Bonn Stadtbahn The Bonn Stadtbahn ('' en, city rail'') is a part of the local public transit system in Bonn and the surrounding Rhein-Sieg area, that also includes the Bonn Straßenbahn. Although with six actual Stadtbahn lines (as well as three tram lines) th ...

, Stockholm light rail lines 12 and 22, and the Metro Light Rail in Minneapolis-Saint Paul, Minnesota. The scrapped Merseytram plan for Liverpool in Merseyside planned to use the same model as London. The Flexity Swift's closest competitors are the Alstom Citadis family (particularly the RegioCitadis, Citadis Dualis, and Citadis Spirit variants), Siemens's S70/Avanto, SD100/SD160, SD400/SD460 and S200, and

Sirio The Hitachi Sirio (Italian for Sirius, formerly sold as the AnsaldoBreda Sirio) is a low-floor tram built by Hitachi Rail Italy (formerly AnsaldoBreda), a Japanese-Italian manufacturer of trains, trams and light-rail vehicles. It can be ordered ...

from

AnsaldoBreda Hitachi Rail Italy S.p.A. is a multinational rolling stock manufacturer company based in Pistoia, Italy. Formerly AnsaldoBreda S.p.A., a subsidiary of state-owned Finmeccanica, the company was sold in 2015 to Hitachi Rail of Japan. After the ...

. Compared to Bombardier's other Flexity vehicles, these vehicles are not designed for

streetcar A tram (called a streetcar or trolley in North America) is a rail vehicle that travels on tramway tracks on public urban streets; some include segments on segregated right-of-way. The tramlines or networks operated as public transport a ...

operation with extensive mixed-traffic operations, although they do operate as such on a number of systems such as in London, Manchester, and Melbourne.

Technical specifications

Low-floor versions

High-floor versions

References

External links