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 "D" (379)

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
Driving trailer or cab car	International Standard	ISO	ISO/DIS 22575(en) Railway applications — General terms and definitions
Driving Van	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
DRP-provider / Dispute resolution process provider	SMS Safety Culture Human and Organisational Factor	ISO	ISO 9000:2015(en) Quality management systems — Fundamentals and vocabulary	Latest release
Drum	International Relations	Convention	Convention concerning International Carriage by Rail (COTIF) Appendix C – Regulations concerning the International Carriage of Dangerous Goods by Rail (RID)
Dry port	Freight	Glossary	Terminology on Combined Transport from Economic Commission for Europe (UN/ECE). Prepared by the UN/ECE, the European Conference of Ministers of Transport (ECMT) and the European Commission (EC). UNITED NATIONS - New York and Geneva, 2001
DS	International Standard	EU Technical Document	CEN CENELEC ABBRAVIATION ACRONYM 2025
DSB	ERTMS	Glossary	ERTMS Glossary
DSC function	Registers	Decision	Commission Implementing Decision (EU) 2018/1614 of 25 October 2018 laying down specifications for the vehicle registers referred to in Article 47 of Directive (EU) 2016/797 of the European Parliament and of the Council and amending and repealing Commission Decision 2007/756/EC
DSC function	Vehicles / VA	Application Guide	EVR Guidelines – application guide 013PPS1131-01 - V 8.0 on 11.12.2020
DSSU	International Standard	EU Technical Document	CEN CENELEC ABBRAVIATION ACRONYM 2025
DST	Withdrawn	Application Guide	TAP TSI Annex B.54 Indirect Fulfilment application_guide - version 1.0 of 06/12/2013	Latest release
DTP	EU Policy	EU Technical Document	Technical document from the Publications Office of the European Union - ‘Style guide’ Coordination Interinstitutional Style Guide - version on 19.04.2022
DTT	RNE Glossary	Glossary	RNE Glossary - NS_CID_Glossary_2025
Dual cab engine	ERTMS	Technical Document	ERTMS/ETCS - Glossary of Terms and Abbreviations - version : 4.0.0 - date 05/07/2023
Dual-use infrastructure	International Relations	Regulation	Regulation (EU) 2021/1153 of the European Parliament and of the Council of 7 July 2021 establishing the Connecting Europe Facility and repealing Regulations (EU) No 1316/2013 and (EU) No 283/2014
Dump	Withdrawn	Application Guide	TAP TSI Annex B.52 Reservation application_guide - version 1.0 of 06/12/2013	Latest release
Durable medium	SERA_EU Transport	Directive	Directive (EU) 2015/2302 of the European Parliament and of the Council of 25 November 2015 on package travel and linked travel arrangements, amending Regulation (EC) No 2006/2004 and Directive 2011/83/EU of the European Parliament and of the Council and repealing Council Directive 90/314/EEC
Duration of management system certification audits	International Standard	ISO	ISO/IEC 17021-1:2015(en) Conformity assessment — Requirements for bodies providing audit and certification of management systems — Part 1: Requirements
Dust explosion	Freight	Glossary	Handbook of scenarios for assessing major chemical accident risks JRC106029 - Ed. 2017
Duty holder	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

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

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