The Alstom Citadis is a family of

low-floor tram A low-floor tram is a tram that has no steps between one or more entrances and part or all of the passenger cabin. The low-floor design improves the accessibility of the tram for the public, and also may provide larger windows and more airspace. ...

s and

light rail vehicle Light rail (or light rail transit, abbreviated to LRT) is a form of passenger urban rail transit that uses rolling stock derived from tram technology National Conference of the Transportation Research Board while also having some features from ...

s built by

Alstom Alstom SA () is a French multinational rolling stock manufacturer which operates worldwide in rail transport markets. It is active in the fields of passenger transportation, signaling, and locomotives, producing high-speed, suburban, regional ...

. , over 2,300 Citadis trams have been sold and 1,800 tramways are in revenue service throughout the world, with operations in all six inhabited continents. An evolution of Alstom's earlier TFS vehicle, most Citadis vehicles are made in Alstom's factories in

La Rochelle La Rochelle (, , ; Poitevin-Saintongeais: ''La Rochéle'') is a city on the west coast of France and a seaport on the Bay of Biscay, a part of the Atlantic Ocean. It is the capital of the Charente-Maritime Departments of France, department. Wi ...

Reichshoffen Reichshoffen (, or ; ; Alsatian: ''Risshoffe'') is a commune in the Bas-Rhin department in Grand Est in north-eastern France. Église Saint-Michel de Reichshoffen was built in 1772. Economy Reichshoffen is home to CAF Reichshoffen railcar ...

and

Valenciennes Valenciennes (, also , , ; ; or ; ) is a communes of France, commune in the Nord (French department), Nord Departments of France, department, Hauts-de-France, France. It lies on the Scheldt () river. Although the city and region experienced ...

France France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...

, and in

Barcelona Barcelona ( ; ; ) is a city on the northeastern coast of Spain. It is the capital and largest city of the autonomous community of Catalonia, as well as the second-most populous municipality of Spain. With a population of 1.6 million within c ...

Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...

, and

Annaba Annaba (), formerly known as Bon, Bona and Bône, is a seaport city in the northeastern corner of Algeria, close to the border with Tunisia. Annaba is near the small Seybouse River and is in the Annaba Province. With a population of about 263,65 ...

Algeria Algeria, officially the People's Democratic Republic of Algeria, is a country in the Maghreb region of North Africa. It is bordered to Algeria–Tunisia border, the northeast by Tunisia; to Algeria–Libya border, the east by Libya; to Alger ...

Citadis types

The Citadis family includes both partial and fully

s and LRVs, in versions with three (20x), five (30x), seven (40x), and nine (50x) sections. It comprises the following standard variants:

Urban tramway vehicles

* Citadis X00 ** Citadis 100 – three section, 70% low floor, originally designed and manufactured by

Konstal Alstom Konstal is a company based in Chorzów, Poland producing rail vehicles, in particular metro cars and trams, as well as components for trains. In 1864, the plant was founded as part of the Royal Steelworks in Chorzów and in 1917, it was ...

Chorzów Chorzów ( ; ; ) is a city in the Silesia region of southern Poland, near Katowice. Chorzów is one of the central cities of the Metropolis GZM – a metropolis with a population of 2 million. It is located in the Silesian Highlands, on the Rawa ...

for the Polish market (

Katowice Katowice (, ) is the capital city of the Silesian Voivodeship in southern Poland and the central city of the Katowice urban area. As of 2021, Katowice has an official population of 286,960, and a resident population estimate of around 315,000. K ...

Gdańsk Gdańsk is a city on the Baltic Sea, Baltic coast of northern Poland, and the capital of the Pomeranian Voivodeship. With a population of 486,492, Data for territorial unit 2261000. it is Poland's sixth-largest city and principal seaport. Gdań ...

) * Citadis X01 (first generation) ** Citadis 301 – three section, 70% low floor (

Orléans Orléans (,"Orleans"
(US) and Moscow Moscow is the Capital city, capital and List of cities and towns in Russia by population, largest city of Russia, standing on the Moskva (river), Moskva River in Central Russia. It has a population estimated at over 13 million residents with ...

Saint-Petersburg Saint Petersburg, formerly known as Petrograd and later Leningrad, is the List of cities and towns in Russia by population, second-largest city in Russia after Moscow. It is situated on the Neva, River Neva, at the head of the Gulf of Finland ...

). Also designated 71-801 according to the Russian unified system of rolling stock classification (71=trams, 8=manufacturer code (Alstom), 01=model code). **Citadis 401 – five sections, 70% low floor (

Montpellier Montpellier (; ) is a city in southern France near the Mediterranean Sea. One of the largest urban centres in the region of Occitania (administrative region), Occitania, Montpellier is the prefecture of the Departments of France, department of ...

and

Dublin Dublin is the capital and largest city of Republic of Ireland, Ireland. Situated on Dublin Bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, and is bordered on the south by the Dublin Mountains, pa ...

, some converted from 301s) * Citadis X02 (second generation) ** Citadis 202 – three section, 100% low floor (

Melbourne Melbourne ( , ; Boonwurrung language, Boonwurrung/ or ) is the List of Australian capital cities, capital and List of cities in Australia by population, most populous city of the States and territories of Australia, Australian state of Victori ...

) ** Citadis 302 – five sections, 100% low floor (

Algiers Algiers is the capital city of Algeria as well as the capital of the Algiers Province; it extends over many Communes of Algeria, communes without having its own separate governing body. With 2,988,145 residents in 2008Census 14 April 2008: Offi ...

Adelaide Adelaide ( , ; ) is the list of Australian capital cities, capital and most populous city of South Australia, as well as the list of cities in Australia by population, fifth-most populous city in Australia. The name "Adelaide" may refer to ei ...

Angers Angers (, , ;) is a city in western France, about southwest of Paris. It is the Prefectures of France, prefecture of the Maine-et-Loire department and was the capital of the province of Duchy of Anjou, Anjou until the French Revolution. The i ...

Lyon Lyon (Franco-Provençal: ''Liyon'') is a city in France. It is located at the confluence of the rivers Rhône and Saône, to the northwest of the French Alps, southeast of Paris, north of Marseille, southwest of Geneva, Switzerland, north ...

Bordeaux Bordeaux ( ; ; Gascon language, Gascon ; ) is a city on the river Garonne in the Gironde Departments of France, department, southwestern France. A port city, it is the capital of the Nouvelle-Aquitaine region, as well as the Prefectures in F ...

Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

T2, T7 and T8,

Rotterdam Rotterdam ( , ; ; ) is the second-largest List of cities in the Netherlands by province, city in the Netherlands after the national capital of Amsterdam. It is in the Provinces of the Netherlands, province of South Holland, part of the North S ...

Buenos Aires Buenos Aires, controlled by the government of the Autonomous City of Buenos Aires, is the Capital city, capital and largest city of Argentina. It is located on the southwest of the Río de la Plata. Buenos Aires is classified as an Alpha− glob ...

Madrid Madrid ( ; ) is the capital and List of largest cities in Spain, most populous municipality of Spain. It has almost 3.5 million inhabitants and a Madrid metropolitan area, metropolitan area population of approximately 7 million. It i ...

Nice Nice ( ; ) is a city in and the prefecture of the Alpes-Maritimes department in France. The Nice agglomeration extends far beyond the administrative city limits, with a population of nearly one million Murcia Murcia ( , , ) is a city in south-eastern Spain, the Capital (political), capital and most populous city of the autonomous community of the Region of Murcia, and the Ranked lists of Spanish municipalities#By population, seventh largest city i ...

Jerusalem Jerusalem is a city in the Southern Levant, on a plateau in the Judaean Mountains between the Mediterranean Sea, Mediterranean and the Dead Sea. It is one of the List of oldest continuously inhabited cities, oldest cities in the world, and ...

Le Havre Le Havre is a major port city in the Seine-Maritime department in the Normandy (administrative region), Normandy region of northern France. It is situated on the right bank of the estuary of the Seine, river Seine on the English Channel, Channe ...

and

Nottingham Nottingham ( , East Midlands English, locally ) is a City status in the United Kingdom, city and Unitary authorities of England, unitary authority area in Nottinghamshire, East Midlands, England. It is located south-east of Sheffield and nor ...

) ** Citadis 402 – seven sections, 100% low floor (

Grenoble Grenoble ( ; ; or ; or ) is the Prefectures in France, prefecture and List of communes in France with over 20,000 inhabitants, largest city of the Isère Departments of France, department in the Auvergne-Rhône-Alpes Regions of France, region ...

T3,

Dubai Dubai (Help:IPA/English, /duːˈbaɪ/ Help:Pronunciation respelling key, ''doo-BYE''; Modern Standard Arabic, Modern Standard Arabic: ; Emirati Arabic, Emirati Arabic: , Romanization of Arabic, romanized: Help:IPA/English, /diˈbej/) is the Lis ...

Rio de Janeiro Rio de Janeiro, or simply Rio, is the capital of the Rio de Janeiro (state), state of Rio de Janeiro. It is the List of cities in Brazil by population, second-most-populous city in Brazil (after São Paulo) and the Largest cities in the America ...

Oran Oran () is a major coastal city located in the northwest of Algeria. It is considered the second most important city of Algeria, after the capital, Algiers, because of its population and commercial, industrial and cultural importance. It is w ...

Constantine Constantine most often refers to: * Constantine the Great, Roman emperor from 306 to 337, also known as Constantine I * Constantine, Algeria, a city in Algeria Constantine may also refer to: People * Constantine (name), a masculine g ...

) ** Citadis 502 – nine sections, 100% low floor (

, some converted from 402s) * Citadis X03 (third generation) ** Citadis 403 – seven sections, 100% low floor (

Strasbourg Strasbourg ( , ; ; ) is the Prefectures in France, prefecture and largest city of the Grand Est Regions of France, region of Geography of France, eastern France, in the historic region of Alsace. It is the prefecture of the Bas-Rhin Departmen ...

) * Citadis X04 (fourth generation) ** Citadis 304 – 100% low floor, next generation design for Central and Eastern Europe (

Istanbul Istanbul is the List of largest cities and towns in Turkey, largest city in Turkey, constituting the country's economic, cultural, and historical heart. With Demographics of Istanbul, a population over , it is home to 18% of the Demographics ...

) * Citadis X05 (fifth generation) ** Citadis 205 or compact – three sections, 100% low floor (

Aubagne Aubagne (; according to the classic norm or according to the Mistralian norm) is a Commune in France, commune in the southern French Departments of France, department of Bouches-du-Rhône. In 2020, the commune was awarded three flowers by the ...

Avignon Avignon (, , ; or , ; ) is the Prefectures in France, prefecture of the Vaucluse department in the Provence-Alpes-Côte d'Azur region of southeastern France. Located on the left bank of the river Rhône, the Communes of France, commune had a ...

) ** Citadis 305 – five sections, 100% low floor (

Sydney Sydney is the capital city of the States and territories of Australia, state of New South Wales and the List of cities in Australia by population, most populous city in Australia. Located on Australia's east coast, the metropolis surrounds Syd ...

Lusail Lusail (, , ) is the second-largest city in Qatar after Doha, and the economic capital of Qatar, located on the coast, in the southern part of the municipality of Al Daayen. Lusail lies about north of the Doha city centre, just north of the West ...

Caen Caen (; ; ) is a Communes of France, commune inland from the northwestern coast of France. It is the Prefectures in France, prefecture of the Departments of France, department of Calvados (department), Calvados. The city proper has 105,512 inha ...

Kaohsiung Kaohsiung, officially Kaohsiung City, is a special municipality located in southern Taiwan. It ranges from the coastal urban center to the rural Yushan Range with an area of . Kaohsiung City has a population of approximately 2.73 million p ...

Athens Athens ( ) is the Capital city, capital and List of cities and towns in Greece, largest city of Greece. A significant coastal urban area in the Mediterranean, Athens is also the capital of the Attica (region), Attica region and is the southe ...

Philadelphia Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the Unit ...

) ** Citadis 405 – seven sections, 100% low floor (

Nice Nice ( ; ) is a city in and the prefecture of the Alpes-Maritimes department in France. The Nice agglomeration extends far beyond the administrative city limits, with a population of nearly one million Paris Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...

line T9, T10)

Light-rail transit vehicles

*Regio-Citadis – three sections, 70% low floor LRV (

Kassel Kassel (; in Germany, spelled Cassel until 1926) is a city on the Fulda River in North Hesse, northern Hesse, in Central Germany (geography), central Germany. It is the administrative seat of the Regierungsbezirk Kassel (region), Kassel and the d ...

The Hague The Hague ( ) is the capital city of the South Holland province of the Netherlands. With a population of over half a million, it is the third-largest city in the Netherlands. Situated on the west coast facing the North Sea, The Hague is the c ...

) *Citadis Dualis – four or five sections, 100% low-floor LRV (operated by the

SNCF The Société nationale des chemins de fer français (, , SNCF ) is France's national State-owned enterprise, state-owned railway company. Founded in 1938, it operates the Rail transport in France, country's national rail traffic along with th ...

, ''see below'') *

Citadis Spirit The Alstom Citadis Spirit is a Low-floor tram, low-floor Articulated tram, articulated light rail vehicle developed by Alstom for Ottawa's O-Train. It is marketed as part of its Alstom Citadis, Citadis family, which includes other models of lig ...

– three or four sections, 100% low floor LRV designed for the North American market (

Ottawa Ottawa is the capital city of Canada. It is located in the southern Ontario, southern portion of the province of Ontario, at the confluence of the Ottawa River and the Rideau River. Ottawa borders Gatineau, Gatineau, Quebec, and forms the cor ...

Toronto Toronto ( , locally pronounced or ) is the List of the largest municipalities in Canada by population, most populous city in Canada. It is the capital city of the Provinces and territories of Canada, Canadian province of Ontario. With a p ...

)

Power supply

Like most trams, Citadis vehicles are usually powered by overhead electric wires collected by a

pantograph A pantograph (, from their original use for copying writing) is a Linkage (mechanical), mechanical linkage connected in a manner based on parallelograms so that the movement of one pen, in tracing an image, produces identical movements in a se ...

, but the trams in several places do not use pantograph current collection entirely. The most popular solution is Alstom's proprietary

ground-level power supply Ground-level power supply, also known as surface current collection or, in French, ''alimentation par le sol'' ("feeding via the ground"), is a concept and group of technologies that enable electric vehicles to collect electric power at ground lev ...

( APS, first used in

and subsequently in

Reims Reims ( ; ; also spelled Rheims in English) is the most populous city in the French Departments of France, department of Marne (department), Marne, and the List of communes in France with over 20,000 inhabitants, 12th most populous city in Fran ...

, Orleans,

Tours Tours ( ; ) is the largest city in the region of Centre-Val de Loire, France. It is the Prefectures in France, prefecture of the Departments of France, department of Indre-et-Loire. The Communes of France, commune of Tours had 136,463 inhabita ...

Rio Rio or Río is the Portuguese and Spanish word for "river". The word also exists in Italian, but is largely obsolete and used in a poetical or literary context to mean "stream". Rio, RIO or Río may also refer to: Places United States * Rio, Fl ...

, and

), consisting of a type of

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 track (r ...

which is only powered while it is completely covered by a tram so that there is no risk of a person or animal coming into contact with a live rail. On the networks in France and in Sydney, the trams switch to conventional

overhead wires An overhead line or overhead wire is an electrical cable that is used to transmit electrical energy to electric locomotives, electric multiple units, trolleybuses or trams. The generic term used by the International Union of Railways for the tec ...

in outer areas, but the Dubai vehicles are the first to employ APS for its entire passenger length (although they are still equipped with pantographs for use in the maintenance depot). Another option is to use on-board batteries to store electrical power, allowing brief periods of catenary-free operation without the need to install special infrastructure. The Citadis trams in

Nice Nice ( ; ) is a city in and the prefecture of the Alpes-Maritimes department in France. The Nice agglomeration extends far beyond the administrative city limits, with a population of nearly one million nickel metallic hydride Nickel is a chemical element; it has symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel is a hard and ductile transition metal. Pure nickel is chemically reactive, but large pieces are slow ...

batteries in two large open spaces where overhead wires would be an eyesore. This has since been superseded by a

supercapacitor alt=Supercapacitor, upright=1.5, Schematic illustration of a supercapacitor upright=1.5, A diagram that shows a hierarchical classification of supercapacitors and capacitors of related types A supercapacitor (SC), also called an ultracapacitor, ...

-based energy storage system (SRS) which is in use in Rio de Janeiro (alongside APS), Kaohsiung, and along a new line in Nice. The Regio-Citadis can also be built as a dual-voltage or

electro-diesel An electro-diesel locomotive (also referred to as a dual-mode or bi-mode locomotive) is a type of locomotive that can be powered either from an electricity supply (like an electric locomotive) or by using the onboard diesel engine (like a Diese ...

vehicle with various configurations.

Ordered Citadis trams

Africa

Asia

North America

The main article provides vehicle and order descriptions.

South America

Middle East

Europe

Oceania

References

External links

{{Commons
Alstom TransportAlstom Citadis Trams
(read the notes written by visitors at the end of the page, because there are some errors in the table)

– design of Citadis tram interiors for Paris, Le Mans, Angers, ''

Railway Gazette International ''Railway Gazette International'' is a British monthly business magazine and news website covering the railway, metro, light rail and tram industries worldwide. Available by annual subscription, the magazine is read in over 140 countries by tran ...

'' Alstom trams Tram vehicles of Algeria Tram vehicles of Argentina Tram vehicles of France Tram vehicles of China Melbourne tram vehicles Tram vehicles in Morocco Tram vehicles of the Netherlands Tram vehicles of Poland Tram vehicles of the Republic of Ireland Tram vehicles of Spain Tram vehicles of Tunisia Tram vehicles of Turkey Articulated passenger trains Articles containing video clips Train-related introductions in 1999