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 "T" (619)

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
Train Time of Estimated Arrival	Withdrawn	TSI	Commission Regulation (EU) No 1305/2014 of 11 December 2014 on the technical specification for interoperability relating to the telematics applications for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
Train Trip	ERTMS	Technical Document	ERTMS/ETCS - Glossary of Terms and Abbreviations - version : 4.0.0 - date 05/07/2023
Train-kilometre	EU Policy	Glossary	Glossary for transport statistics - 6TH EDITION 2026	Latest release
Train-km	Safety / SSC-SA	Directive	Directive (EU) 2016/798 of the European Parliament and of the Council of 11 May 2016 on railway safety (recast)
Train-km	EU Policy	Regulation	Regulation (EU) 2018/643 of the European Parliament and of the Council of 18 April 2018 on rail transport statistics
Train-to-trach transmission	ERTMS	Technical Document	ERTMS/ETCS - Glossary of Terms and Abbreviations - version : 4.0.0 - date 05/07/2023
Trainer	SMS Safety Culture Human and Organisational Factor	Decision	Commission Decision 2011/765/EU of 22 November 2011 on criteria for the recognition of training centres involved in the training of train drivers, on criteria for the recognition of examiners of train drivers and on criteria for the organisation of examinations in accordance with Directive 2007/59/EC of the European Parliament and of the Council
Training centre	SMS Safety Culture Human and Organisational Factor	Directive	Directive 2007/59/EC of the European Parliament and of the Council of 23 October 2007 on the certification of train drivers operating locomotives and trains on the railway system in the Community
Trainset	Vehicles / VA	TSI	Commission Regulation (EU) No 1302/2014 of 18 November 2014 concerning a technical specification for interoperability relating to the rolling stock — locomotives and passenger rolling stock subsystem of the rail system in the European Union
Trainset	RNE Glossary	Glossary	RNE Glossary - NS_CID_Glossary_2025
Trainset	International Standard	ISO	ISO/DIS 22575(en) Railway applications — General terms and definitions
Trainset	EU Policy	Glossary	Glossary for transport statistics - 6TH EDITION 2026	Latest release
Tram	EU Policy	Glossary	Glossary for transport statistics - 6TH EDITION 2026	Latest release
Tram (streetcar)	EU Policy	Regulation	Regulation (EU) 2018/643 of the European Parliament and of the Council of 18 April 2018 on rail transport statistics
Tram line	EU Policy	Glossary	Glossary for transport statistics - 6TH EDITION 2026	Latest release
Tram system	International Standard	ISO	ISO/DIS 22575(en) Railway applications — General terms and definitions
Tram vehicle	International Standard	ISO	ISO/DIS 22575(en) Railway applications — General terms and definitions
Tram-train	Vehicles / VA	TSI	Commission Regulation (EU) No 1302/2014 of 18 November 2014 concerning a technical specification for interoperability relating to the rolling stock — locomotives and passenger rolling stock subsystem of the rail system in the European Union
Tram-train	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)
Tram-train	EU Policy	Glossary	Glossary for transport statistics - 6TH EDITION 2026	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

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