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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Starting with "A" (434)

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
AU	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
Audible communication system	Interoperability	Decision	Commission Decision of 30 November 2009 on the reference document referred to in Article 27(4) of Directive 2008/57/EC of the European Parliament and of the Council on the interoperability of the rail system within the Community. (2009/965/EC)
Audible signal systems	Interoperability	Decision	Commission Decision of 30 November 2009 on the reference document referred to in Article 27(4) of Directive 2008/57/EC of the European Parliament and of the Council on the interoperability of the rail system within the Community. (2009/965/EC)
Audit	Entity in Charge of Maintenance	Certification Scheme	Certification scheme for ECM and outsourced maintenance functions under Regulation (EU) 2019/779
Audit	Common Safety Method	Application Guide	Safety management system requirements for safety certification or safety authorisation. Version 1.3 Manuscript completed in April 2021
Audit	EU Policy	Glossary	EU budget glossary - A list of the most common words and useful terms concerning the EU budget
Audit	International Standard	ISO	ISO 19011:2018(en) Guidelines for auditing management systems
Audit	Safety / SSC-SA	Application Guide	Application guide for the granting of single safety certificates - Manuscript updated in December 2024
Audit	SMS Safety Culture Human and Organisational Factor	ISO	ISO 9000:2015(en) Quality management systems — Fundamentals and vocabulary	Latest release
Audit	SMS Safety Culture Human and Organisational Factor	ISO	ISO 45001:2018(en) Occupational health and safety management systems — Requirements with guidance for use	Latest release
Audit	SMS Safety Culture Human and Organisational Factor	ISO	ISO 55001:2024(en) Asset management — Asset management system — Requirements	Latest release
Audit	SMS Safety Culture Human and Organisational Factor	ISO	ISO 22301:2019(en) Security and resilience — Business continuity management systems — Requirements	Latest release
Audit client	International Standard	ISO	ISO 19011:2018(en) Guidelines for auditing management systems
Audit client	SMS Safety Culture Human and Organisational Factor	ISO	ISO 9000:2015(en) Quality management systems — Fundamentals and vocabulary	Latest release
Audit conclusion	International Standard	ISO	ISO 19011:2018(en) Guidelines for auditing management systems
Audit conclusion	SMS Safety Culture Human and Organisational Factor	ISO	ISO 9000:2015(en) Quality management systems — Fundamentals and vocabulary	Latest release
Audit criteria	International Standard	ISO	ISO 19011:2018(en) Guidelines for auditing management systems
Audit criteria	SMS Safety Culture Human and Organisational Factor	ISO	ISO 9000:2015(en) Quality management systems — Fundamentals and vocabulary	Latest release
Audit evidence	International Standard	ISO	ISO 19011:2018(en) Guidelines for auditing management systems
Audit evidence	SMS Safety Culture Human and Organisational Factor	ISO	ISO 9000:2015(en) Quality management systems — Fundamentals and vocabulary	Latest release

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