RATP Group ( French: Groupe RATP), best known as the RATP or Régie Autonome des Transports Parisiens (in English: Autonomous Parisian Transportation Administration), is a state-owned public transport operator and maintainer headquartered in Paris, France. Formed in 1949, it has its origins as the city's public transport operator. Its logo represents, in a stylised version, the Seine's meandering through the Paris area as the face of a person looking up.
Today, the RATP is still responsible for most of the public transport in the Greater Paris area, including the
Paris Métro, Île-de-France tram and RATP Bus Network, as well as part of the regional express rail (RER) network. In the Île-de-France region, the RATP carries about 3.3 billion passengers per year. 
While RATP's Paris-related activities are still a major part of its business, its operations have extended since 2002 to include business around the globe in various modes of urban and regional transportation.
RATP Dev, the Group's international operations and maintenance subsidiairy, is present in 13 countries in Africa, Asia, Europe and North America.
In 2019, the Group's consolidated revenue was 5.704 billion euros; it employs 64,000 people.
The company qualfies itself as the fourth largest actor in public transport.  
RATP headquarters in Paris
The RATP was created on 1 January 1949 by combining the assets of the
(CMP), which operated the Paris Métro, and the Compagnie du chemin de fer métropolitain de Paris Société des transports en commun de la région parisienne (STCRP), which operated the city's bus system.
Earlier, the CMP had absorbed the
in 1930 and the Société du Chemin de Fer Électrique Nord-Sud de Paris Ligne de Sceaux in 1937, which extended commuter rail to the suburbs. The STCRP had been created on 1 January 1921 by the merger of about half a dozen independent bus and streetcar operators in the Paris area. By the time the STCRP was merged into the RATP, all of its streetcars had been replaced by bus routes.
In the early years of the 21st century, a partnership with the
Transdev group resulted in RATP acquiring a minority shareholding in that group, with its many worldwide transport operations. However, in 2009, the Caisse des dépôts et consignations, the majority owner of the Transdev group, started negotiations with Veolia Environnement to merge Transdev with Veolia Transport. As part of the resulting agreement, made in May 2010, it was agreed that the RATP Group would take over ownership of some of Transdev's operations in lieu of cash payment for its holdings in Transdev. This had a considerable impact on RATP's international profile.   
In 2009, RATP entered the United States by purchasing transit contractor McDonald Transit Associates.
McDonald operated Fort Worth Transportation Authority (now  Trinity Metro) in Texas, Votran in Florida, and Waco Transit System in Texas, among others.
On 1 August 2011, the RATP Group purchased
Stagecoach Metrolink's contract to operate the Metrolink light rail system in Greater Manchester, England until July 2017. Two years later, in 2013, RATP purchased the nearby long-established coach company,  Selwyns Travel, a National Express operator.
The current president and
CEO of the RATP, Catherine Guillouard, was nominated on 2 August 2017. The previous RATP CEOs were  Élisabeth Borne, Pierre Mongin and Anne-Marie Idrac.
Operations in Paris
RATP hybrid bus on Paris route 38.
In Paris, RATP operates, under its own name, on behalf of the
Île-de-France Mobilités (IDFM), the Paris region transit authority. RATP's services constitute, in their own right, a multi-mode public transportation infrastructure, but also contribute to a larger multi-mode system extending out into the surrounding Île-de-France communities.
RATP's services in the Greater Paris area include:
Paris Métro, a system of mostly underground rapid transit lines which run throughout the city, with some lines extending somewhat beyond the city boundaries. The Métro has 16 lines with 219 km (136 mi) of track and 302 stations.  Two metro lines are  fully automated and driverless: line 1 (since 2012) and line 14 (since its opening in 1998).
Orlyval, the automated metro shuttle connecting Antony station (RER B) and Orly Airport.  Parts of the
RER, the Paris regional express rail network that runs mostly underground in the centre of Paris and overground in the rest of the region. RATP owns and operates line A (except the Nanterre-Préfecture - Cergy-le-Haut and Nanterre-Préfecture - Poissy branches) and line B (except the part north of Gare du Nord), both together representing approximately 115 km (71 mi) and 66 stations. The rest of the RER network is operated by SNCF. Eight out of ten lines of the
Paris tram system ( T1, T2, T3a, T3b, T5, T6, T7, T8) totalizing 101.9 km (63.3 mi) and 183 stops.  The extensive
Paris city bus system (351 lines with a total length of 3,861 km (2,399 mi)), including the night buses of the Noctilien network. Two
BRT lines: the Trans-Val-de-Marne (TVM, 19.7 km (12.2 mi)) and line 393 (11.7 km (7.3 mi)). The Montmartre funicular.
Paris bus route 341 was RATP's first line equipped with 100%
electric full-size buses (starting June 2016). 
Operations outside Paris
RATP Dev (Dev being a contraction of Développement, French for development ), established in 2002 as a 100% subsidiary of the RATP Group, provides operations and maintenance of passenger transport services outside of the "historical" RATP network in the Greater Paris area although it also operates some specialised services within Paris. RATP Dev is present in 13 countries, namely Algeria, Egypt, China's special administrative region Hong Kong, France, Italy, Morocco, the Philippines, Qatar, Saudi Arabia, South Africa, Switzerland, the United Kingdom, and the United States. Wholly and partly owned operations include the following:    
Operations in France
Other modes Agglobus, the urban bus network of
Bourges in the Cher department (since 2011, renewed for the 2017-2022 period)  Cars Jacquemard, a coach operator in the
Eure department Cars Perrier, one of the operators of the Sqybus network serving the
Saint-Quentin-en-Yvelines suburb near Paris The CTRL network of
Lorient Agglomération in the Morbihan department (for the 2018-2022 period)  Com'Bus,
Yvelines and Val-d'Oise departments The Impulsyon urban bus network of
La Roche-sur-Yon in the Vendée department (since 2010, renewed for the 2017-2023 period)  The Irigo multimodal in and around
Angers including the Angers tramway (for the 2019-2025 period)  The Kicéo urban bus network of
Vannes in the Morbihan department (for the 2017-2023 period)  Lignes de Vienne et agglomération (L'va) in and around
Vienne in the Isère department (since 2011)  Le Vib in
Vierzon in the Cher department (since 2011, renewed in 2015 for 8 more years)  The Marinéo urban bus network of
Boulogne-sur-Mer in the Pas-de-Calais department (for the 2013-2020 period)  Mouvéo, the urban bus network of
Épernay in the Marne department (since 2016)  Ondéa, the urban bus network of
Aix-les-Bains and its surroundings in the Savoie department (2015-2020)  PAM 91, 92, 93 and 95,
paratransit in the Essonne, Hauts-de-Seine, Seine-Saint-Denis and Val-d'Oise departments (Greater Paris area) The STIVO urban bus network in
Cergy-Pontoise Transports annemassiens collectifs (TAC), urban bus network covering the
Agglomeration community of Annemasse - Les Voirons (joint control with TPG) Transports de l'agglomération de Charleville-Mézières (TAC), urban bus network of
Charleville-Mézières and Sedan in the Ardennes department (since 2012, renewed for the 2017-2024 period)  TBK bus and coach network covering
Quimperlé and surroundings in the Finistère department (for the 2020-2028 period)  Transports urbains laonnois (TUL), the urban bus network of
Laon in the Aisne department (for the 2016-2022 period)  The Transvilles multimodal network in and around
Valenciennes, including the Valenciennes tramway (since 2015)  Three express coach routes using the A14 motorway, in the Greater Paris area.
Metro and tramway Tramway networks in the Algerian cities of
Algiers (since 2012), Oran (since 2013), Constantine (since 2013), Sidi Bel Abbès (since 2017), Ouargla (since 2018) and Sétif (since 2018)    
Cairo Metro Line 3, Cairo, Egypt (for the 2020-2035 period) 
Sun Link Streetcar, Tucson, Arizona, U.S. (since 2014) 
DC Streetcar, Washington, D.C. (since 2016) 
Florence tramway, Florence, Italy (since 2010) 
Casablanca LRT, Casablanca, Morocco (since 2012, contract renewed in 2017 until the end of 2029) 
RATP Dev Transdev Asia (RDTA), a joint venture with Transdev, operating: 
Doha Metro and Lusail LRT, Qatar (20-year contract through RKH Qitarat, joint venture formed by Hamad Group (51%) and Keolis-RATP Dev (49%))  Future Riyadh Metro Lines 1 and 2 (12-year contract)  
Bus and coach
RATP operates various transportation systems in the
United States under the name RATP Dev USA:
Arlington Entertainment Area Management District Trolley,
Asheville Rides Transit (ART), North Carolina (since 2017) 
Augusta Public Transit, Augusta, Georgia (since 2013) 
Bloomington Transit, Indiana
Bowling Green, Kentucky (fixed routes and paratransit, since 2020)  Mountain Mobility,
Buncombe County, North Carolina (paratransit)
Charlotte Area Transit System, North Carolina (bus only)
Citibus, Lubbock, Texas
Citylink Edmond, Oklahoma (since 2014) 
City of Ocala SunTran, Marion County, Florida
The COMET, South Carolina (since 2020) 
DC Circulator, Washington, D.C. (six routes and 72 vehicles, since 2018) 
LakeXpress, Lake County, Florida (seven fixed routes, paratransit and 54 vehicles, management contract since 2017) 
Mountain Metropolitan Transit, Colorado Springs, Colorado
Needles Area Transit, California Roadrunner,
California, U.S. (fixed routes, paratransit, charter and black car services, >200 vehicles, acquired in 2018) 
Santa Maria Area Transit (SMAT), Santa Maria, California, U.S. (management contract since 2018) 
THE Bus, Hernando County, Florida
TheBus, Prince George's County, Maryland (since 2020) 
Trinity Metro, Texas
Waco Transit System, Texas
Yuma County Area Transit, Arizona (fixed routes and paratransit, since 2018)  Zion National Park, Utah, shuttle system (since 2000, renewed in 2020) 
Other countries Autolinee Toscane, a coach operator in
Tuscany, Italy  Cilia Italia,
Lazio, Italy  Riyadh (since 2014 set-up of the capital's future urban bus network with approximately 1,000 vehicles over three depots, and operations and maintenance for a duration of 10 years starting 2016, 20% share of a consortium with SAPTCO)   
RATP Dev manages
touristic hop on hop off tour operations using double-decker buses: "Paris L'OpenTour" in Paris, The Original Tour in London (acquired in September 2014) and the Bath Bus Company in several cities in the United Kingdom ( Bath, Cardiff, Eastbourne and Windsor.  As of 2021 RATP Dev will add a hop on hop off circuit in  Brussels, Belgium, to its network (as part of an eight-year concession granted by STIB, 12 electric vehicles). 
"Slide Ealing" is a ride sharing minibus service (
microtransit) launched 12 November 2019 in London, in partnership with MOIA. 
Since 2013, RATP Dev, in a consortium with
TPG and Pomagalski, manages the Salève cable car, in the French Alps. Ridership of the cable car has increased by 50% since 2013, notably after the introduction of shuttle buses from  Annemasse and Saint-Julien-en-Genevois. The contract of the RATP Dev-led consortium has been renewed in 2019 for 12 additional years, until 2031.  
RATP Dev established in 2018 a "regional office" in
Singapore for Asia-Pacific albeit not having any operational activity in the city-state. In December 2020, RATP Dev and  SBS Transit announced a partnership for future rail projects in Singapore, without referencing specific commercial targets. 
Algiers Metro (from 1 November 2011 to 31 October 2020)  
São Paulo Metro Line 4: technical assistance for start-up and the launch of commercial operations in 2010 and 1% share in the concessionnaire ViaQuatro until 2015  
Rio de Janeiro Light Rail: technical assistance for start-up and the launch of commercial operations in 2016  Anqing Zhongbei buses in
Anqing, China (as part of RDTA from 2008 to ?)  
Shenyang trams (as part of RDTA from 2013 to ?)  
Line 9 of the Seoul Metropolitan Subway (as part of RDTA from 2009 to 2019) 
Line 1 of the Mumbai Metro (as part of RDTA from 2014 to 2019)  Aléo, the urban bus network of
Moulins in the Allier department (from 2012 to 2019)   STI Allier et STI Nièvre,
France (ceased to Prêt à Partir in 2018) 
Manchester Metrolink (from August 2011 to July 2017)  
Selwyns Travel: coach operator with 92 vehicles based in Manchester, Runcorn and St Helens, United Kingdom (acquired in 2013 and sold in 2020).    "Slide", an on-demand shared transport /
microtransit service targeting commuters in Bristol, United Kingdom (from July 2016 to December 2018, in partnership with French start-up Padam)   
Yellow Buses, a bus operator in Bournemouth, United Kingdom (from 2011 to July 2019).   Fullington Auto Bus Company,
State College, Pennsylvania, U.S.: acquired in 2009 and sold in 2017 
Open Loop New York: hop on hop off tour company in New York City commenced in May 2014, ceded to Big Bus Tours in 2017  
Capital MetroBus in Austin, Texas: 79 routes, 250 buses, 21 million passengers/year, from 2012 to early 2020.   Votran, Volusia County, Florida (until 2020) 
^ a b c
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^ The figure of "302" (stations) does not include the fictional
Montmartre funicular station. The latter is indeed considered as a metro station by RATP and statistically attached to line 2, which explains why RATP announces 303 stations and not 302.
^ Orlyval is part of the "historic" RATP network but operated by RATP Dev, on behalf of RATP.
Line T4 is operated by SNCF and line T11 is operated by Transkeo.
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^ a b
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^ a b
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^ a b
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^ a b
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"Delivery of São Paulo Metro Line 4 - Brazil's first passenger rail public-private partnership" (PDF) . Retrieved 2018.
"CCR exerce direito de compra de participação da RATP na ViaQuatro" (in Portuguese). 23 October 2015 . Retrieved 2018.
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^ a b c
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"Shenyang Tramway Network operated by RATP Dev and Transdev enters service". Archived from the original on 25 May 2014 . Retrieved 2014.
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"Southern Rail operator to take over the running of Metrolink network". 18 January 2017 . Retrieved 2017.
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RATP Dev starts Open Tour with 15 buses in NYC 15 May 2014 Metro Magazine
s Extrapolitan quits New York sightseeing" Buses Magazine issue 751 October 2017 page 19
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