ERA Railway Terminology visual v0 featured

ERA Railway Terminology Collection

Last updated: 5 December 2025.

The ERA Railway Terminology Collection gathers terms and abbreviations that are contained in the EU legal framework for railway, technical documents produced by bodies which are engaged in the development of important evolution in the railway system and other relevant glossaries.

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Disclaimer
ERA Railway Terminology Collection is a consultation tool, developed to support the sharing of information through the actors involved in running the Single European Railway Area (SERA). The responsibility for the correctness, completeness, accuracy, or reliability of the information in ERA RTC lays upon the authors of the definitions, as they derive from reference documents having their own preparation and approval flow. Users cannot call ERA liable for the use they make of the content. Please consider that when the collection is exported (.csv) and then printed or converted, it becomes uncontrolled.
Term	Context	Document Type	Origin document
5G corridor	International Relations	Regulation	Regulation (EU) 2021/1153 of the European Parliament and of the Council of 7 July 2021 establishing the Connecting Europe Facility and repealing Regulations (EU) No 1316/2013 and (EU) No 283/2014
5G systems	International Relations	Regulation	Regulation (EU) 2021/1153 of the European Parliament and of the Council of 7 July 2021 establishing the Connecting Europe Facility and repealing Regulations (EU) No 1316/2013 and (EU) No 283/2014
8D	International Standard	ISO	ISO 22163:2023(en) Railway applications — Railway quality management system — ISO 9001:2015 and specific requirements for application in the railway sector
A-weighted equivalent continuous sound pressure level LpAeq,T	International Standard	ISO	ISO 3095:2013(en) Acoustics — Railway applications — Measurement of noise emitted by railbound vehicles
A4	Telematics Applications for Passenger	Application Guide	TAP TSI Annex B.54 Indirect Fulfilment application_guide - version 1.0 of 06/12/2013
AADT	EU Policy	Glossary	Glossary for transport statistics - 5TH EDITION 2019
AB	Entity in Charge of Maintenance	Application Guide	Guidance on ECM Certification process Guide for the application of Article 14 of Directive (EU) 2016/798 and Commission Implementing Regulation (EU) No 2019/779 on a system of certification of entities in charge of maintenance for vehicles. Version 9.0 on 01/03/2021
AB	Telematics Applications for Freight	TSI	Commission Regulation (EU) No 1305/2014 of 11 December 2014 on the technical specification for interoperability relating to the telematics applications for freight subsystem of the rail system in the European Union and repealing the Regulation (EC) No 62/2006
AB	RNE Glossary	Glossary	RNE Glossary - NS_CID_Glossary_2025	Latest release
ABAC (Accrual Based Accounting)	EU Policy	Glossary	EU budget glossary - A list of the most common words and useful terms concerning the EU budget
ABT	Telematics Applications for Passenger	Application Guide	TAP TSI Annex B.55 PRM assistance application_guide - version 1.0 of 06/12/2013
AC	Interoperability	Application Guide	Application_guide GUI/TSI/2023 Version 1.0 20/12/2023Guide for the application of the Technical Specifications for Interoperability (TSIs)
AC	Energy	TSI	Commission Regulation (EU) No 1301/2014 of 18 November 2014 on the technical specifications for interoperability relating to the energy subsystem of the rail system in the Union
AC	Control-Command and Signalling	Application Guide	GUI/CCS TSI/2023 Version 1.0 17/06/2024 Guide for the application of the CCS TSI 2023/1695 In accordance with Article 19(3) of Regulation (EU) 2016/796 of the European Parliament and of the Council of 11 May 2016
AC	Operation	TSI	Commission Implementing Regulation (EU) 2019/773 of 16 May 2019 on the technical specification for interoperability relating to the operation and traffic management subsystem of the rail system within the European Union and repealing Decision 2012/757/EU
AC	Infrastructure	Application Guide	Guide on the application of the common specifications of the register of Infrastructure - v. 3.1.0 on 31.03.2025	Latest release
AC	Vehicles / VA	Application Guide	GUI/LOC&PAS TSI/2021 - version 3.0 on 15/02/2021 Guide for the application of the LOC&PAS TSI (Commission Regulation (EU) No 1302/2014 of 18 November 2014 and amended by the Commission Implementing Regulation (EU) 2019/776) In accordance with Article 19(3) of Regulation (EU) 2016/796 of the European Parliament and of the Council of 11 May 2016
AC	Vehicles / VA	Application Guide	Application Guide for the European register of authorised types of railway vehicles (ERATV) - v.5.7 on09.04.2025	Latest release
ACB	Entity in Charge of Maintenance	Application Guide	Guidance on ECM Certification process Guide for the application of Article 14 of Directive (EU) 2016/798 and Commission Implementing Regulation (EU) No 2019/779 on a system of certification of entities in charge of maintenance for vehicles. Version 9.0 on 01/03/2021
Acceleration allowed near level crossing	Infrastructure	Regulation	Commission Implementing Regulation (EU) 2019/777 of 16 May 2019 on the common specifications for the register of railway infrastructure and repealing Implementing Decision 2014/880/EU

Common Safety Method
Conformity Assessment
Control-Command and Signalling
Data Protection
Energy
Entity in Charge of Maintenance
ERTMS
EU Policy
Freight
Human and Organisational Factor
Infrastructure
International Relations
International Standard
Interoperability
Noise
Operation
Persons with Reduced Mobility
Railway Tunnels
Registers
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RNE Glossary
Safety / SSC-SA
Security
SERA_EU Transport
Single Market Mutual Recognition Conformity Assessment
Telematics Applications for Freight
Telematics Applications for Passenger
Vehicles / VA
Withdrawn

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