ERA Railway Terminology Collection

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
The European Union Agency for Railways’ Railway Terminology Collection is a collection of existing terms aiming at supporting the sharing of information and harmonisation of terms in t he Single European Railway Area (SERA). It was created to facilitate the work of the Union institutions, representative bodies and national authorities. The terms and definitions contained within is meant purely as a documentation tool and have no legal effect. Where available, the Agency strives to provide a link to official texts with legal effect. The European Union Agency for Railways does not assume any liability for RTC’s contents. Only documents published in official sources (such as in the EU Official Journal or in sources of standardisation bodies) must be referenced to ensure conformity to the rules therein. The European Union Agency for Railways is not obliged to keep the RTC updated and cannot guarantee that the terms in the RTC are up to date. The terms and definitions in the RTC are drawn from different sources and may be subject to copyright and intellectual property rights of their respective authors and other third parties. Most documents owned by the European Union are freely available, many of them under Creative Commons licenses, and can be downloaded and reproduced provided the source is acknowledged, however, please check their respective copyright notices. Please, also see Commission Decision of 12 December 2011 on the reuse of Commission documents. EUR-Lex metadata is dedicated to the public domain in accordance with the Creative Commons CC0 1.0 Universal Public Domain Dedication deed.
Term	Context	Document Type	Origin document
KBS	EU Policy	EU Technical Document	Technical document from the Publications Office of the European Union - ‘Style guide’ Coordination Interinstitutional Style Guide - Annex 4
KE	International Standard	ISO	ISO 3166 (en) - Online Browsing Platform (OBP) Codes for the representation of names of countries and their subdivisions — Part 1: Country code
Keeper	Entity in Charge of Maintenance	Certification Scheme	Certification scheme for ECM and outsourced maintenance functions under Regulation (EU) 2019/779
Keeper	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
Keeper	Telematics Applications for Passenger	TSI	Commission Regulation (EU) No 454/2011 of 5 May 2011 on the technical specification for interoperability relating to the subsystem ‘telematics applications for passenger services’ of the trans-European rail system
Keeper	Interoperability	Directive	Directive (EU) 2016/797 of the European Parliament and of the Council of 11 May 2016 on the interoperability of the rail system within the European Union (recast)
Keeper	Safety / SSC-SA	Directive	Directive (EU) 2016/798 of the European Parliament and of the Council of 11 May 2016 on railway safety (recast)
KER	ERTMS	Technical Document	ERTMS/ETCS - Glossary of Terms and Abbreviations - version : 4.0.0 - date 05/07/2023
KERNEL	ERTMS	Technical Document	ERTMS/ETCS - Glossary of Terms and Abbreviations - version : 4.0.0 - date 05/07/2023
Key	ERTMS	Technical Document	ERTMS/ETCS - Glossary of Terms and Abbreviations - version : 4.0.0 - date 05/07/2023
Key management	ERTMS	Technical Document	ERTMS/ETCS - Glossary of Terms and Abbreviations - version : 4.0.0 - date 05/07/2023
Key management Centre	ERTMS	Technical Document	ERTMS/ETCS - Glossary of Terms and Abbreviations - version : 4.0.0 - date 05/07/2023
Key management System	ERTMS	Technical Document	ERTMS/ETCS - Glossary of Terms and Abbreviations - version : 4.0.0 - date 05/07/2023
Key validity period	ERTMS	Technical Document	ERTMS/ETCS - Glossary of Terms and Abbreviations - version : 4.0.0 - date 05/07/2023
Kg	EU Policy	Glossary	Glossary for transport statistics - 5TH EDITION 2019
KG	International Standard	ISO	ISO 3166 (en) - Online Browsing Platform (OBP) Codes for the representation of names of countries and their subdivisions — Part 1: Country code
KH	International Standard	ISO	ISO 3166 (en) - Online Browsing Platform (OBP) Codes for the representation of names of countries and their subdivisions — Part 1: Country code
KI	International Standard	ISO	ISO 3166 (en) - Online Browsing Platform (OBP) Codes for the representation of names of countries and their subdivisions — Part 1: Country code
km	Freight	Glossary	Transport of dangerous goods. Risks Management Framework. Framework glossary v. 1.0/2018
KM	ERTMS	Technical Document	ERTMS/ETCS - Glossary of Terms and Abbreviations - version : 4.0.0 - date 05/07/2023

Certification Scheme
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
Regulation
RNE Glossary
Safety / SSC-SA
Sectorial Scheme
SERA_EU Transport
Telematics Applications for Freight
Telematics Applications for Passenger
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