Brazil
National Land Transport Agency
Britain
Department for Transport
Office of the Rail Regulator
RSSB
Canada
Canadian Transportation Agency
Transport Canada (ministry)
Transportation Safety Board
Denmark
Ministry of Transport
National Rail Authority
China
Ministry of Railways
Europe
Channel Tunnel Intergovernmental Commission (IGC)
European Commission Directorate General for Mobility & Transport)
European Commission Systems for Advanced Management of Public Transport Operations (SAMPO)
European Conference of Ministers of Transport (ECMT)
France
Ministry of Transport
Germany
Federal Ministry of Transport
Federal Railway Authority (EBA)
Italy
Ministry of Transport and Navigation
Japan
Ministry of Transport
Lithuania
Ministry of Transport
Netherlands
Ministry of Transport
Norway
Ministry of Transport and Communications
National Accident Investigation Board (rail)
Norwegian Railway Inspectorate
Russia
Ministry of Railways
Singapore
Land Transport Authority
Slovakia
Ministry of Transport
Sweden
Rikstrafiken (franchising authority)
Transport Styrelsen (Swedish Transport Agency)
Taiwan
Bureau of Taiwan High Speed Rail (BOTHSR)
USA
California High Speed Rail Authority
Caltrans Rail Program
Federal Railroad Administration
Federal Transit Administration (FTA)
Surface Transportation Board (STB)
Transportation Research Board (TRB)
US Department of Transportation (DOT)
Rail Research UK
China
China Academy of Railway Sciences
China Railway Science and Technology Net
Czech Republic
Czech Railway Research Institute
Europe
European Rail Research Advisory Council (Errac)
Eurailtest
India
Research Designs and Standards Organisation (RDSO)
International
International Association of Railway Operations Research (IAROR)
Japan
Railway Technical Research Institute (RTRI)
Korea
Korea Railroad Research Institute (KRRI)
Netherlands
Technical University of Delft Railway Engineering
Poland
Railway Scientific and Technical Centre (CNTK)
Russia
Russian Railway Research Institute
Sweden
Chalmers Competence Centre in Railway Mechanics (Charmec)
USA
Railroad Research Foundation
Transportation Technology Center Inc (TTCI)
University of Illinois Railroad Engineering Programme
Southern Africa Railways Association Middle East NetherlandsAfrica
Argentina
Argentina Railways Institute (Fiaf)
Australia
Australasian Railway Association Inc
Australian Railway Industry Corporation (ARIC)
Railway Technical Society of Australia (RTSA)
Brazil
National Association of Railway Transport (ANTF)
Britain
Association of Train Operating Companies (ATOC)
Chartered Institute of Logistics & Transport (Britain)
Institution of Railway Signal Engineers (IRSE)
PTEG (Representing seven PTEs)
Rail Freight Group
Railway Industry Association (RIA)
Young Railway Professionals
Canada
Association of Regional Railways of Canada (ARRC)
Canadian Urban Transit Association
Railway Association of Canada
China
China Acadamy of Railway Sciences (Cars)
Europe
Association of the European Railway Industry (Unife)
Community of European Railway & Infrastructure Companies (CER)
Eurofima
European Association for Railway Interoperability (AEIF)
European Intermodal Association (EIA)
European Federation of Railway Trackworks Contractors (EFRTC)
European Rail Freight Association (ERAF)
European Rail Freight Customers Platform (ERFCP)
European Rail Infrastructure Managers (EIM)
European Railway Research Advisory Council (ERRAC)
European Railway Wheels Association (ERWA)
European Rail Traffic Management System (ERTMS)
Foundation for Railway Infrastructure Development
Intercontainer-Interfrigo
International Union of Combined Road-Rail Transport Companies (UIRR)
International Union of Private Wagons (UIP)
Nordic Association of Railway Professionals (NJS)
Union of European Railway Engineer Associations (UEEIV)
France
Railway Industry Association (FIF)
Railway Engineers & Executives Association (AFFI)
GART (Association of Transport Authorities)
Nord-Pas de Calais Railway Industry Association (AIF)
Germany
VDEI (German Association of Railway Engineers)
VDV (Association of Transport Operators)
International
Arab Union of Railways
International Air Rail Organisation (IARO)
International Heavy Haul Association (IHHA)
International Organisation of Overhead Catenary Engineers (IOOCE)
International Transport Forum
International Union of Public Transport (UITP)
International Union of Railways (UIC)
Latin American Association of Underground Networks & Subways (ALAMYS)
Organisation for Railway Collaboration (OSShD/OSJD)
Iran
Iranian Association of Rail Transport Engineering
Italy
Italian Association of Railway Electrical Industries (ASSIFE)
Italian Railway Certification and Safety Organisation (Cesifer)
Japan
Association of Japanese Private Railways
High Speed Surface Transport
Japan Overseas Rolling Stock Association (Jorsa)
Korea
Korea Rolling Stock Industries Association (Korsia)
UIC Middle East
Railforum Netherlands
North America
Intermodal Association of North America (IANA)
South Africa
Railroad Association of South Africa
South America
Association of Latin American Metros (Alamys)
Latin American Railway Association
Spain
Spanish Association of Railway Equipment Manufacturers and Exporters (Mafex)
Sweden
Swedish Rail Industry Group (Swerig)
Switzerland
Swiss Union of Public Transport
Swissrail Export Association
USA
American Association of Private Car Owners
American Public Transit Association (APTA)
American Railway Engineering & Maintenance of Way Association
American Short Line and Regional Railroad Association
Association of American Railroads
California High Speed Rail Authority
Florida High Speed Rail
Railway Engineering-Maintenance Suppliers Association
Railway Systems Suppliers I
US High Speed Rail Association
Brazil
TAV Brasil high-speed project
Britain
Crossrail
France/Italy
Lyon-Turin Rail Link
Japan
Maglev Project (RTRI)
Portugal
RAVE (Portuguese High-Speed Rail Network Company)
Saudi Arabia
North-South Railway Project
Saudi Rail Expansion Projects
Sweden
Botnia Railway Project
Switzerland
Alp Transit Project
United Arab Emirates
Union Railway
United States
California High-Speed Rail Authority
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Adelaide
Adelaide Metro
Amsterdam
Amsterdam Transport (GVB)
Ankara
Ankara Metro
Antwerp
de Lijn Antwerp
Athens
Athens-Pireaus Electric Railways
Attiko Metro
Atlanta
Marta
Augsburg
Augsburg Transport
Bangkok
BTS SkyTrain
MRTA
Baltimore
Maryland MTA
Barcelona
Barcelona Metro
Basle
Basleland Transport
Basle Transport Authority (BVB)
Regio S-Bahn Basle
Beijing
Beijing Subway
Belgium
Belgium-Flanders Transport (De Lijn)
Belo Horizonte
Belo Horizonte Transport
Berlin
S-Bahn
Berlin Transport Authority (BVG)
Bern
Bern City Transport
Bern S-Bahn
Bielefeld
Bielefeld Transport
Bilbao
Bilbao Metro
EuskoTran
Birmingham (Britain)
Centro
Midland Metro
Bochum
Bochum-Gelsenkirchen Tramway (Bogestra)
Bonn
Bonn Transport Authority
Bordeaux
Bordeaux Urban Community
Boston
Massachussets Bay Transit Authority (MBTA)
Brasilia
Brasilia Metro
Bratislava
Bratislava Transport (DPB)
Braunschweig
Braunschweig Tramway
Brazil
Brazilian Urban Trains Company
Bremen
Bremen Tramway (BSAG)
Brisbane
Airtrain Citylink
Brno
Brno Public Transport
Brussels
Brussels Metro (STIB)
Bucharest
Bucharest City Transport (RATB)
Bucharest Metro
Budapest
Budapest Transport (BKV)
Buenos Aires
Metrovias
Buffalo
Buffalo Metro Rail (NFTA)
Busan
Busan Urban Transit Authority
Calgary
Calgary Transit
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Cali Metro Project
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Caracas Metro
Charleroi
Charleroi (TEC)
Chemnitz
Chemnitz Transport (CVAG)
Chicago
Chicago Regional Transportation Authority
Chicago Transit Authority
Metra
Northern Indiana Commuter Transportation District
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Greater Cleveland RTA
Cologne
Cologne Transport Authority (KVB)
Cologne-Verkehrsverbund Rhein-Sieg
Cottbus
Cottbus Transport
Copenhagen
Copenhagen Metro
Croydon
Croydon Tramlink
Czech Republic
Urban Transport in Czech Republic
Dallas
Dallas Area Regional Transportation (DART)
Darmstadt
HEAG Bus & Rail
Delhi
Delhi Metro Rail Corporation
Denver
RTD
Southeast Corridor project
Detroit
Detroit People Mover
Dortmund
Dortmunder Stadtwerke
Dresden
Dresden Transport Authority (DVB)
Dubai
Dubai RTA
Dublin
Dublin Light Rail (LUAS)
Duisburg
Duisburg Transport
Düsseldorf
Rheinbahn
Edmonton
Edmonton Transit
Erfurt
Erfurt Transport
Essen
Essen Transport (EVAG)
Florence
Florence Tramway
Frankfurt-am-Main
Frankfurt Transport (VGF)
Rhein-Main Verkehrsverbund (RMV)
Freiburg
Freiburg Verkehrs
Fukuoka
Fukuoka City Subway
Geneva
Geneva Transport (TPG)
Genoa
AMT
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Strathclyde Passenger Transport
Görlitz
Görlitz Transport (VGG)
Gothenburg
Gothenburg Transport
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Graz Transport Authority (GVB)
Grenoble
Semitag
SMTC
Hague. The
HTM
Halle
Halle Transport (HAVAG)
Hamburg
Hamburger Hochbahn (U-Bahn)
Hamburg S-Bahn
Hamburg-Verkehrsverbund (HVV)
Hannover
Uestra
Heidelberg
Heidelberg Tramway (HSB)
Helsinki
Helsinki Transport
Hong Kong
KCR Light Rail
MTR
Houston
MetroRail
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Inchon Subway Corp
Innsbruck
Innsbruck Transport Authority
Istanbul
Istanbul Transport
Izmir
Izmir Metro
Kaohsiung
Kaohsiung Metro
Karlsruhe
Karlsruhe City Transport
Kassel
Kassel Transport (KVG)
Kharkiv
Kharkiv Metro
Kobe
Kobe New Transit
Krakow
Krakow Tramway
Krefeld
Krefeld (SWK)
Kuala Lumpur
Express Rail Link
Monorail
PUTRA
STAR
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Kyiv Metro
Kyoto
Kyoto City Transport
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Lausanne Regional Transport (TL)
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Leipzig Transport Authority (LVB)
Lille
Transpole
Lima
Lima Metro (AATE)
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Linz AG
Linz Transit
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Carris
Fertagus
Lisbon Metro
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Lodz Transport (MPK)
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Croydon Tramlink
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Metro
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Lucerne S-Bahn
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Lyon Transport
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Madrid Metro
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Magdeburg Transport Authority (MVB)
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Mainz Transport
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Metrolink
Transport for Greater Manchester
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Light Rail Transit Authority (LRTA)
Metrostar Express
Mannheim
Mannheim Transport (MVG)
Marseille
Marseille Metro (RTM)
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Mashhad Urban Railway Corp (Murco)
Melbourne
Metlink
Metro Trains Melbourne
Yarra Trams
Memphis
MATA
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Messina Light Rail
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Miami-Dade Transit
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Milan Metro
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Minneapolis Metro Transit
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Monterrey Light Rail
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Montpellier Transport (TAM)
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STM Metro
Moscow
Moscow Metro
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Solea
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Munich S-Bahn
Munich Transport (MVG)
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Nagoya Subway
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Nantes Light Rail (TAN)
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Naples City Transport (ANM)
Naples Metro
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NJ Transit
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New Orleans RTA
New York
New York City Subway
Metropolitan Transport Authority
New York/New Jersey
Port Authority (PATH) and JFK Rail Link
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Tyne & Wear Metro
Nice
Nice Tramway
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Nottingham Express Transit
Novisibirsk
Novisibirsk Metro
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Nuremberg Transport (VAG)
Nuremberg Verkehrsverbund (VGN)
Oberhausen
Oberhausen Transport (Stoag)
Orleans
Orleans Tramway
Osaka
Osaka Metro
Osaka Monorail
Oslo
Oslo T-Banen (metro)
Oslo Trams
Oslo Transport Authority (KTP)
Ostrava
Ostrava Tramway (DPO)
Paris
Paris Metro (RATP)
Perth
Transperth
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PATCO
SEPTA
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PAT
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Portland Streetcar
Tri-Met
Porto (Portugal)
Porto Metro
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Trensurb
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Potsdam Transport Authority (ViP)
Poznan
Poznan City Transport (MPK)
Prague
Prague Metro
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Recife Metro (CBTU)
Rennes
Rennes Metro
Rio de Janeiro
Central
Metro Rio
SuperVia
Rome
Rome Metro (ATAC)
Rostock
Rostock Tramway (RSAG)
Rotterdam
RET Public Transport
Rouen
Rouen Transport (TCAR)
Ruhr
Rhein-Ruhr Verkehrsverbund (VRR)
Saarbruecken
Stadtbahn Saar
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Sacramento RTD
Salt Lake City
Utah Transit
San Diego
San Diego Trolley
San Francisco
BART
Caltrain
Metropolitan Transportation Commission
SFMTA
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Santa Clara Valley Transportation (VTA)
San Juan
San Juan Metro
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Sapporo Transportation
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Paulista Metropolitan Trains Company (CPTM)
Sao Paulo Metro
ViaQuatro (Line 4 concession)
Schwerin
Schwerin Local Transport (NVS)
Seattle
Sound Transit
Seoul
Metropolitan Rapid Transit Corp
Seoul Metro
Sheffield
Supertram
Singapore
SBS Transit (Northeast Line)
SMRT
Sofia
Sofia Public Transport (SKGT)
St Etienne
St Etienne Tramway (STAS)
St Louis
Metro Transit
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Stockholm Transport (SL)
Stockton, United States
Altamont Commuter Express (ACE)
Stuttgart
Stuttgart Tramway (SSB)
Sydney
CityRail
Metro Monorail & Light Rail
Taegu
Taegu Metro
Taipei
Dorts
Taipei Metro (TRTC)
Tallinn
Tallinn Tram & Trolleybus Co
Tehran
Tehran Metro
Timisoara
Timisoara Transport (RATT)
Tokyo
Tokyo Metro
Tokyo Monorail
Transportation Bureau of Tokyo Metrpolitan Government
Toronto
GO Transit
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Toronto Transit Commission
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Tisseo Public Transport
Turin
Gruppo Torinese Transport
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Ulm Tramway
Valencia (Spain)
FGV
Valencia (Venezuela)
Valencia Metro Project
Valenciennes
Valenciennes Tramway
Vancouver
SkyTrain Line
TransLink
West Coast Express
Vienna
Verkehrsverbund Ost-Region
Wiener Linien
Wiener Lokalbahnen
Wiener Stadtwerke
Warsaw
WKD
Warsaw Metro
Warsaw Tramway (ZTM)
Washington
WMATA
Washington DC
Virginia Railway Express
Wroclaw
Municipal Transport Company (MPK)
Wuppertal
Wuppertal Transport
Wurzburg
Wurzburg Tramway
Zagreb
Zagreb Tramways (ZET)
Zurich
Zurich Public Transport
Zuercher Verkehrsverbund (ZVV)