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
Maximum permitted height of the flange	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
Maximum altitude	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
Maximum amount of sand	Control-Command and Signalling	ERA Technical Document	Technical document ERA/ERTMS/033281 Interfaces between Control-command and signalling trackside . V. 4.0, 2018
Maximum amount of sand	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
Maximum axle distance	Control-Command and Signalling	ERA Technical Document	Technical document ERA/ERTMS/033281 Interfaces between Control-command and signalling trackside . V. 4.0, 2018
Maximum braking distance requested	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
Maximum capacity	International Relations	Convention	Convention concerning International Carriage by Rail (COTIF) Appendix C – Regulations concerning the International Carriage of Dangerous Goods by Rail (RID)
Maximum contact wire height	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
Maximum currents	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)
Maximum distance between end of train and first axle	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
Maximum electro-magnetic fields	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)
Maximum electro-magnetic fields/Induced voltages	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)
Maximum net mass	International Relations	Convention	Convention concerning International Carriage by Rail (COTIF) Appendix C – Regulations concerning the International Carriage of Dangerous Goods by Rail (RID)
Maximum normal operating pressure	International Relations	Convention	Convention concerning International Carriage by Rail (COTIF) Appendix C – Regulations concerning the International Carriage of Dangerous Goods by Rail (RID)
Maximum operating speed	RNE Glossary	Glossary	RNE Glossary - NS_CID_Glossary_2023
Maximum permissible gross mass	International Relations	Convention	Convention concerning International Carriage by Rail (COTIF) Appendix C – Regulations concerning the International Carriage of Dangerous Goods by Rail (RID)
Maximum permissible laden weight (MPLW)	EU Policy	Glossary	Eurostat Transport Glossary
Maximum permitted distance between two consecutive axles in case of TSI non-compliance	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
Maximum permitted impedance between opposite wheels of a wheelset when not TSI compliant	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
Maximum permitted speed	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

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