Bombardier Flexity

Bombardier Flexity
Rüdiger Wölk · CC BY-SA 2.5 · source
Name	Flexity
Manufacturer	Bombardier Transportation
Years	1990s–present
Collectionmethod	Pantograph

Bombardier Flexity The Flexity family is a series of light rail vehicles and trams produced by Bombardier Transportation that serve urban transit systems worldwide. Conceived to address needs identified by operators such as Transport for London, RATP Group, Deutsche Bahn, SNCF, and VKV, the platform emphasizes modularity, accessibility, and compatibility with legacy systems like those in Vienna, Prague, Toronto, Melbourne, and Berlin. Deployment spans networks operated by entities including Metropolitan Transportation Authority (New York City), KVB, GVB, STM (Montreal), and Sydney Trains.

Overview

The Flexity family was developed during the consolidation of rolling stock suppliers in the 1990s, coinciding with corporate activities involving Bombardier Inc., Alstom, and other manufacturers such as Siemens Mobility and CAF. Influences on the program derived from procurement programs in cities like Amsterdam, Düsseldorf, Helsinki, and Zurich, and standards promulgated by agencies including the International Association of Public Transport and regulators in the European Union. Key objectives included compliance with accessibility legislation championed by organizations such as United Nations initiatives and national bodies like Transport Canada. Flexity sets have been ordered by operators such as Toronto Transit Commission, Helsinki Regional Transport Authority, Berlin BVG, and Brisbane City Council.

Design and Technical Specifications

Flexity designs prioritize low-floor architecture inspired by earlier LRVs from manufacturers including Siemens, Avenio, and Stadler. Carbody materials reference techniques used by Bombardier Aerospace and other railbuilders such as Hitachi Rail and Kawasaki Heavy Industries. Bogie designs evolved with input from suppliers used by Volkswagen-sized industrial groups and adhere to standards from International Electrotechnical Commission and European Committee for Standardization. Propulsion systems utilize traction inverters and motors comparable to those in products from ABB and Mitsubishi Electric, with braking systems interoperable with Knorr-Bremse and Wabtec components. Accessibility features mirror guidelines from World Health Organization and urban codes in London, Paris, Rome, and Madrid, including multi-door layouts, tactile surfaces, and wheelchair ramps compatible with platforms in Munich and Oslo.

Variants

The Flexity family includes subtypes tailored for networks managed by authorities like Metrolinx, TransLink (Vancouver), STIB/MIVB, and Københavns Sporveje. Major variants correspond to requirements similar to those that spawned the Flexity Outlook, Flexity Classic, and Flexity Swift ranges, each analogous to product lines from Bombardier competitors such as Siemens Mobility's Combino and CAF's Urbos. Specialized adaptations have been produced for systems in Melbourne, Toronto, Dortmund, and Dublin, with climate-hardened models for operators in Helsinki and Reykjavik, and gauge-specific builds for networks in Madrid, Barcelona, Warsaw, and Buenos Aires.

Operators and Deployment

Operators deploying Flexity units include municipal and regional transit agencies such as Toronto Transit Commission, STIB/MIVB (Brussels), KVB (Cologne), HSR (Helsinki Metro), SBB regional services, and urban authorities like Transport for Greater Manchester. International orders have connected suppliers to projects in Singapore, Hong Kong, Melbourne, Sydney, Brisbane, and multiple European capitals including Vienna, Berlin, Amsterdam, and Prague. Integration projects often involved coordination with infrastructure owners such as Network Rail and rolling-stock regulators like Office of Rail and Road and agencies modeled after Federal Railroad Administration.

Manufacturing and Procurement

Manufacturing was carried out in Bombardier facilities and partner factories in regions tied to companies like Bombardier Transportation's Canadian, German, and Chinese sites, and occasionally subcontracted to builders such as AnsaldoBreda and CRRC for local content requirements. Procurement processes followed frameworks similar to those used by European Investment Bank-backed projects and municipal capital programs overseen by authorities like Transport for London and Metrolinx, with tenders referencing standards from ISO and procurement directives from the European Commission. Contracts often specified localization clauses to satisfy bodies such as Canadian Council of Ministers of the Environment and regional development agencies in New South Wales and Victoria.

Operational Performance and Incidents

Operational histories involved performance metrics compared by transit agencies such as Transport for London and RATP Group, with reliability and lifecycle assessments paralleling studies by International Association of Public Transport and academic research from institutions like TU Berlin and MIT. Incidents and service disruptions were reported in contexts monitored by safety authorities such as Office of Rail Regulation and are documented alongside cases involving other manufacturers like Siemens and Alstom. Fleet refurbishments and mid-life overhauls have been coordinated with suppliers and maintenance partners including Knorr-Bremse and Wabtec, and reviewed by transport oversight entities in Ontario, Île-de-France, North Rhine-Westphalia, and Bavaria.

Category:Light rail vehicles