Flexity

Flexity trams and LRVs usually belong to one of six standard models. Manufactured from corrosion-resistant carbon steel and featuring driver's cabs made with glass-reinforced plastic,^[5] they have a modular design that is customizable to meet specific operators' demands, including a variety of track gauges and voltages. The modules can also be replaced easily in case of damage.^[5]

Flexity trams can be built for both bi-directional and uni-directional systems. A low-floor design with multi-purpose areas is standard on most models, allowing easy access to the vehicles for wheelchair users. There are also high-floor configurations for Flexity LRVs, and they can be designed for tram-train operations.

As Bombardier's premium tram model,^[6] the Flexity 2 tram is a 100% low-floor vehicle with improved corrosion resistance, impact protection, energy efficiency, and a more spacious interior resulting from the reduction of its sidewall widths.^[7] It is also compatible with Bombardier's PRIMOVE conductive battery charging system. These vehicles are currently used in Blackpool, Gold Coast, Basel, and Antwerp, among others.

Being of a traditional appearance but with the same design features and technology as other vehicles,^[1] the 70% low-floor Flexity Classic requires comparatively less maintenance compared to other Flexity tram models.^[8] They are primarily focused on providing high-capacity public transport in densely spaced urban areas. These vehicles are currently used in Adelaide, Dortmund, Dresden, Essen, Frankfurt and Kassel, among others.

With a 100% low floor,^[1] the Flexity Outlook range encompasses two different designs: the Eurotram and Cityrunner. The Eurotram was originally conceived by Socimi of Italy as a distinctive, train-like tramcar with large windows and modules with both powered and unpowered bogies,^[9] while the Cityrunner has a more conventional appearance, but is highly customizable and is future proof with its easily repairable modules. These vehicles are currently used in Strasbourg, Porto, Brussels, and Marseille, among others. Toronto operates a customized variant of the Flexity Outlook.

Designed as a bi-directional low- or high-floor light rail vehicle,^[1] the Flexity Swift was conceived for use on high-speed interurban railways and light metros,^[10] with different body lengths and the ability to form multiple unit sets and be constructed to meet high crashworthiness standards. These vehicles are currently used in Cologne, Frankfurt, Minneapolis, London, and Manchester, among others.

The Flexity Link tram-train has dual voltage capabilities and is compatible with mainline railway regulations (e.g. BOStrab) that permit operation on both urban tram networks and mainline railways, reducing transport infrastructure costs. Although this particular model is only used in Saarbrücken,^[11] a 2009 order was made for dual-voltage Flexity Swift vehicles in Karlsruhe, where the tram-train concept was pioneered.^[12]

The Flexity Freedom is targeted at the North American market.^[13] Like the rest of Bombardier's Flexity models, it is locally made out of 100% low-floor modules and features the same multiple unit capability as the Flexity Swift, with air conditioning and an easily configurable interior layout. Designed for the Transit City network in Toronto, Kitchener-Waterloo and other LRT projects in Ontario,^[14] the model was also selected for Edmonton's Valley Line^[15] and was being marketed by Bombardier for future orders within North America.

Variants of Bombardier's Flexity trams and streetcars have been specially designed for use in certain cities, such as Berlin, Vienna, and Toronto.^[16]

Following Alstom's acquisition of Bombardier Transportation in 2021,^[20] several versions of the Flexity range have continued to be built and ordered as a legacy model for cities that had continuing orders from before the acquisition,^[21] or for orders of trams based on former Bombardier designs.^[22] In 2024, several versions of the Flexity family were retroactively rebranded by Alstom into its own Citadis Classic range;^[23] however, as of 2026^[update], the Flexity brand continues to be used by the company for certain models.^[2]

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Flexity-branded vehicles built by or ordered from Alstom

City	Image	Type	Quantity	Year(s) built	Notes
Berlin		Flexity Berlin Urbanliner[24]	20[25] (+45 ordered)[26]	2022–present
Dresden		Flexity Citytram Low-Floor[27]	33 (+7 ordered)[28]	2021–2024, 2025	Locally designated NGT-DXDD[29]
Melbourne		Flexity Swift	50	2016–2021	Locally designated E2-class. Production started by Bombardier, completed by Alstom.[21]
Gothenburg		Flexity Swift	40	2019–2023	Locally designated M33. Production started by Bombardier, completed by Alstom.[30][31]
			60	2024–2026	Locally designated M34[32][33]
Magdeburg		Flexity Classic (also called Flexity Magdeburg)[34]	35[35]	2024–2027	Locally designated NGT-10D[34]
Duisburg		Flexity Classic	54	2020–present	Locally designated DVG-NF4. Production started by Bombardier,[36] continued by Alstom.
Graz		Flexity Graz [de]	15[37][38]	2025–present
Toronto		Flexity Outlook	60[2]	2023–2025
		Flexity Freedom	76[39][40]	2019–2021	Production started by Bombardier,[41] completed by Alstom.

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