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 "R" (637)

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
Residual capacity	RNE Glossary	Glossary	RNE Glossary - NS_CID_Glossary_2025
Residual concern	Common Safety Method	Regulation	Commission Delegated Regulation (EU) 2018/761 of 16 February 2018 establishing common safety methods for supervision by national safety authorities after the issue of a single safety certificate or a safety authorisation pursuant to Directive (EU) 2016/798 of the European Parliament and of the Council and repealing Commission Regulation (EU) No 1077/2012
Residual concern	Safety / SSC-SA	Regulation	Commission Implementing Regulation (EU) 2018/763 of 9 April 2018 establishing practical arrangements for issuing single safety certificates to railway undertakings pursuant to Directive (EU) 2016/798 of the European Parliament and of the Council, and repealing Commission Regulation (EC) No 653/2007
Residual concern	Safety / SSC-SA	Recommendation	Recommendation (EU) 2019/780 of 16 May 2019 on practical arrangements for issuing safety authorisations to infrastructure managers
Resilience	Infrastructure	Directive	Directive (EU) 2022/2557 of the European Parliament and of the Council of 14 December 2022 on the resilience of critical entities and repealing Council Directive 2008/114/EC
Resilience	EU Policy	Directive	Directive (EU) 2022/2557 of the European Parliament and of the Council of 14 December 2022 on the resilience of critical entities and repealing Council Directive 2008/114/EC	Latest release
Resistance to pollution	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)
Resource	International Standard	ISO	ISO/IEC 10026-1:1998(en) Information technology — Open Systems Interconnection — Distributed Transaction Processing — Part 1: OSI TP Model
Resource	SMS Safety Culture Human and Organisational Factor	ISO	ISO 22301:2019(en) Security and resilience — Business continuity management systems — Requirements	Latest release
Response time	Freight	Glossary	Handbook of scenarios for assessing major chemical accident risks JRC106029 - Ed. 2017
Responsibility and autonomy	EU Policy	Council Recommendation	Council recommendation of 22 May 2017 on the European Qualifications Framework for lifelong learning and repealing the recommendation of the European Parliament and of the Council of 23 April 2008 on the establishment of the European Qualifications Framework for lifelong learning
Responsible	EU Policy	Decision	Commission Decision (EU, Euratom) 2017/46 of 10 January 2017 on the security of communication and information systems in the European Commission
Responsible Applicant (RA)	Withdrawn	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	Latest release
Responsible IM	Withdrawn	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	Latest release
Responsible RU (RRU)	Withdrawn	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	Latest release
Rest away from home	SMS Safety Culture Human and Organisational Factor	Directive	Council Directive 2005/47/EC of 18 July 2005 on the Agreement between the Community of European Railways (CER) and the European Transport Workers’ Federation (ETF) on certain aspects of the working conditions of mobile workers engaged in interoperable cross-border services in the railway sector Agreement concluded by the European Transport Workers' Federation (ETF) and the Community of European Railways (CER) on certain aspects of the working conditions of mobile workers engaged in interoperable cross-border services
Rest period	SMS Safety Culture Human and Organisational Factor	Directive	Council Directive 2005/47/EC of 18 July 2005 on the Agreement between the Community of European Railways (CER) and the European Transport Workers’ Federation (ETF) on certain aspects of the working conditions of mobile workers engaged in interoperable cross-border services in the railway sector Agreement concluded by the European Transport Workers' Federation (ETF) and the Community of European Railways (CER) on certain aspects of the working conditions of mobile workers engaged in interoperable cross-border services
Rest period	SMS Safety Culture Human and Organisational Factor	Directive	Directive 2003/88/EC of the European Parliament and of the Council of 4 November 2003 concerning certain aspects of the organisation of working time
Reste à Liquider (RAL)	EU Policy	Glossary	EU budget glossary - A list of the most common words and useful terms concerning the EU budget
Restricting market access	Single Market Mutual Recognition Conformity Assessment	Regulation	Regulation (EU) 2019/515 of the European Parliament and of the Council of 19 March 2019 on the mutual recognition of goods lawfully marketed in another Member State and repealing Regulation (EC) No 764/2008

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

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