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
W/(m2.°C)	EU Policy	Glossary	Glossary for transport statistics - 5TH EDITION 2019
WAG	Operation	Guide	GUI/TSI OPE/2019 - version 3.00 of 16/06/2019 Guide for the application of the TSI OPE In accordance with Article 19(3) of Regulation (EU) 2016/796 of the European Parliament and of the Council of 11 May 2016
WAG	Interoperability	Guide	application_guide GUI/TSI/2023 - Version 1.0 20/12/2023
WAG (TSI)	Withdrawn	Decision	2007/756/EC: Commission Decision of 9 November 2007 adopting a common specification of the national vehicle register provided for under Articles 14(4) and (5) of Directives 96/48/EC and 2001/16/EC (notified under document number C(2007) 5357)
Wagon	Freight	Directive	Directive 2008/68/EC of the European Parliament and of the Council of 24 September 2008 on the inland transport of dangerous goods
Wagon	International Relations	Convention	Convention concerning International Carriage by Rail (COTIF) Appendix C – Regulations concerning the International Carriage of Dangerous Goods by Rail (RID)
Wagon (WAG) TSI	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
Wagon Compatibility Code (WCC)	Freight	ERA Technical Document	Codification of lines and wagons for combined transport and associated operational procedures Technical document : ERA/TD/2023-01/CCT - Version : 1.0 on 6 March 2023
Wagon Correction Digit (WCD)	Freight	ERA Technical Document	Codification of lines and wagons for combined transport and associated operational procedures Technical document : ERA/TD/2023-01/CCT - Version : 1.0 on 6 March 2023
Wagon Correction Digit (WCD)	Freight	TSI	Commission Regulation (EU) No 321/2013 of 13 March 2013 concerning the technical specification for interoperability relating to the subsystem ‘rolling stock — freight wagons’ of the rail system in the European Union and repealing Decision 2006/861/EC
Wagon for intermodal transport	EU Policy	Glossary	Glossary for transport statistics - 5TH EDITION 2019
Wagon in running order (operating term)	Freight	International Agreement	General Contract of Use for wagons (GCU 01 January 2024)
Wagon keeper or Keeper	Freight	International Agreement	General Contract of Use for wagons (GCU 01 January 2024)
Wagon load	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
Wagon note	Freight	International Agreement	General Contract of Use for wagons (GCU 01 January 2024)
Wagon tare	Freight	International Agreement	General Contract of Use for wagons (GCU 01 January 2024)
Wagon-kilometre	EU Policy	Glossary	Glossary for transport statistics - 5TH EDITION 2019
Wait	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
Waiting Area	Persons with Reduced Mobility	Guide	Guide for the appllication of PRM TSI - pplication Guide - GUI/PRM TSI/2023 - vers. 2.0 of 08.12.2023
WAP	Withdrawn	Glossary	Transport Research and Innovation Monitoring and Information System Glossary

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