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
TJ	EU Policy	Glossary	Glossary for transport statistics - 6TH EDITION 2026
TJ	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
TK	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
TK	Freight	Glossary	Transport of dangerous goods. Risks Management Framework. Framework glossary v. 1.0/2018
Tkm	EU Policy	Glossary	Eurostat Transport Glossary on web release November 2024
tkm	EU Policy	Glossary	Glossary for transport statistics - 6TH EDITION 2026
TL	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
TLFF C+C	International Standard	EU Technical Document	CEN CENELEC ABBRAVIATION ACRONYM 2025
TLT	Withdrawn	Application Guide	TAP TSI Annex B.54 Indirect Fulfilment application_guide - version 1.0 of 06/12/2013	Latest release
TM	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
TMB	International Standard	EU Technical Document	CEN CENELEC ABBRAVIATION ACRONYM 2025
TML	Withdrawn	Glossary	Glossary for transport statistics - 6TH EDITION 2026	Latest release
TMP	International Standard	EU Technical Document	CEN CENELEC ABBRAVIATION ACRONYM 2025
TMS	RNE Glossary	Glossary	RNE Glossary - NS_CID_Glossary_2025
TMS	ERTMS	Glossary	ERTMS/ATO Glossary - version 2 on 05.07.2023
TN	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
TO	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
TOD	Withdrawn	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	Latest release
ToD	Withdrawn	Application Guide	TAP TSI Annex B.54 Indirect Fulfilment application_guide - version 1.0 of 06/12/2013	Latest release
ToD	Freight	Glossary	Transport of dangerous goods. Risks Management Framework. Framework glossary v. 1.0/2018

Common Safety Method
Conformity Assessment
Control-Command and Signalling
Data Protection
Energy
Entity in Charge of Maintenance
ERTMS
EU Policy
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Infrastructure
International Relations
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Interoperability
Noise
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Persons with Reduced Mobility
Railway Tunnels
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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
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