ERA Railway Terminology visual v0 featured

ERA Railway Terminology Collection

Last updated: 12 March 2026

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
EA	International Standard	EU Technical Document	CEN CENELEC ABBRAVIATION ACRONYM 2025
EA	Entity in Charge of Maintenance	Certification Scheme	Certification scheme for ECM and outsourced maintenance functions under Regulation (EU) 2019/779
EA	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 10.0 on 04/12/2025
EA (MLA)	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 10.0 on 04/12/2025
EA (MLA)	Entity in Charge of Maintenance	Certification Scheme	Certification scheme for ECM and outsourced maintenance functions under Regulation (EU) 2019/779
EA MLA	Entity in Charge of Maintenance	Sectorial Scheme	Sectorial Scheme for accreditation and recognition of ECM certification bodies under Regulation (EU) 2019/779. ERA 1172/002 V3.1 on 15/06/2020
EA Multi-Lateral agreement (EA MLA)	Entity in Charge of Maintenance	Sectorial Scheme	Sectorial Scheme for accreditation and recognition of ECM certification bodies under Regulation (EU) 2019/779. ERA 1172/002 V3.1 on 15/06/2020
EA Multi-Lateral agreement (EA MLA)	Entity in Charge of Maintenance	Certification Scheme	Certification scheme for ECM and outsourced maintenance functions under Regulation (EU) 2019/779
EAAB	International Standard	EU Technical Document	CEN CENELEC ABBRAVIATION ACRONYM 2025
EAC	International Standard	EU Technical Document	CEN CENELEC ABBRAVIATION ACRONYM 2025
EAC	EU Policy	EU Technical Document	Technical document from the Publications Office of the European Union - ‘Style guide’ Coordination Interinstitutional Style Guide - version on 19.04.2022
EAEC	EU Policy	EU Technical Document	Technical document from the Publications Office of the European Union - ‘Style guide’ Coordination Interinstitutional Style Guide - version on 19.04.2022
EAFRD	EU Policy	EU Technical Document	Technical document from the Publications Office of the European Union - ‘Style guide’ Coordination Interinstitutional Style Guide - version on 19.04.2022
EAGF	EU Policy	EU Technical Document	Technical document from the Publications Office of the European Union - ‘Style guide’ Coordination Interinstitutional Style Guide - version on 19.04.2022
EAGGF	EU Policy	EU Technical Document	Technical document from the Publications Office of the European Union - ‘Style guide’ Coordination Interinstitutional Style Guide - version on 19.04.2022
EAL	International Standard	EU Technical Document	CEN CENELEC ABBRAVIATION ACRONYM 2025
EAR	EU Policy	EU Technical Document	Technical document from the Publications Office of the European Union - ‘Style guide’ Coordination Interinstitutional Style Guide - version on 19.04.2022
Early-exit signal	International Standard	ISO	ISO/IEC 10026-1:1998(en) Information technology — Open Systems Interconnection — Distributed Transaction Processing — Part 1: OSI TP Model
Earmarked revenue	EU Policy	Glossary	EU budget glossary - A list of the most common words and useful terms concerning the EU budget
Earmarking	EU Policy	Glossary	The Social Costs of Transport - February 1997

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

Agreement
Application Guide
Certification Scheme
CIT Document
Convention
COTIF Document
Council Recommendation
Decision
Directive
ERA Technical Document
EU Technical Document
Glossary
Guide
International Agreement
ISO
Manual
Recommendation
Regulation
Sectorial Scheme
Technical Document
TSI
Website