Documents & Regulations

Retrieve on this page all the latest opinions and technical advice, publications, recommendations, and consultations published by the Agency. If the document you're looking for is not here, please visit the Library page.

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Opinion ERA/OPI/2026-1 of the European Union Agency for Railways for France regarding ten (10) notified draft national rules setting out national operational instructions

Published: 31 January 2026

OpinionNoNo

Opinion ERA/OPI/2025-6 of the European Union Agency for Railways for the European Commission regarding the combination of modules for assessment of conformity and suitability for use of interoperability constituents and EC verification of subsystems.

Published: 21 January 2026

OpinionNoNo

Opinion ERA/OPI/2025-7 of the ERA for the European Commission regarding New standards or new standards versions released since the publication of TSI package 2023 (Acceptable means of compliance) - repealing ERA/OPI/2024-5 and ERA/OPI/2025-5

Published: 19 December 2025

OpinionYesNo

Opinion ERA/OPI/2025-4 of the ERA for the European Commission regarding Testing specifications for ETCS Baseline 4 and for the definition of reduced envelope of specifications related to Commission Implementing Regulation (EU) 2023/1695

Published: 09 December 2025

OpinionYesNo

Annual Interoperability Overview 2025 featured

Annual Overview for Interoperability - 2025

The Agency is pleased to publish this summary report, a visible outcome of its work in monitoring safety and interoperability.

Published: 30 September 2025

PublicationSafety and Interoperability Reports

Opinion ERA/OPI/2025-4 of the European Union Agency for Railways for Austria regarding thirty-three (33) notified adopted national rules setting out requirements on operational aspects

Published: 25 June 2025

OpinionNoNo

Opinion ERA/OPI/2025-2 of the European Union Agency for Railways for Estonia regarding seven notified adopted rules and one notified draft rule setting requirements on several operational aspects

Published: 03 April 2025

OpinionNoNo

Report Assessment of achievement of safety targets – 2025

Published: 31 March 2025

PublicationSafety and Interoperability Reports

Annual Safety Overview - 2025

Published: 28 March 2025

PublicationSafety and Interoperability Reports

Final Report - ESG TF on Standard Inputs

Published: 26 March 2025

PublicationEconomic Steering Group Reports

Opinion ERA/OPI/2024-09 of the European Union Agency for Railways for the European Commission regarding the availability of certain provisions of CCS TSI 2023/1695

Published: 18 March 2025

OpinionNoNo

Opinion ERA/OPI/2025-1 of the European Union Agency for Railways for Austria regarding eighty (80) notified adopted rules setting requirements on several operational aspects

Published: 25 February 2025

OpinionNoNo

Final Report – Economic conditions and Safety – February 2025

Published: 01 February 2025

PublicationThematic Studies

ERA/OPI/2024-6 Opinion of the EU Agency for Railways for the EC regarding vehicles subject to innovative solution in accordance with Article 10 (3) of Commission Regulation (EU) No 1302/2014 (Loc&Pas TSI) related to the use of EPS wheel profile

Published: 29 January 2025

OpinionYesNo

Recommendation ERA 1175-4 of the European Union Agency for Railways on amendments to Commission Regulation (EU) No 321/2013

Published: 28 January 2025

Recommendation

Recommendation ERA 1175-2am1 of the European Union Agency for Railways on transfer of requirements from RID to TSI WAG, amending it to add requirements on spark arresters and WE marking

Published: 28 January 2025

Recommendation

Recommendation ERA1218-2 of the European Union Agency for Railways on the amendment of Commission Implementing Regulation (EU) 2023/1695 (CCS TSI)

Published: 19 December 2024

Recommendation

Opinion ERA/OPI/2024-10 of the European Union Agency for Railways regarding version 2 of Future Railway Mobile Communication System (FRMCS) specifications

Published: 18 December 2024

OpinionNoNo

ERA Rolling stock fleet study 2024

Published: 01 December 2024

PublicationThematic Studies

Opinion ERA/OPI/2024-3 of the European Union Agency for Railways regarding ETCS-FRMCS compatibility

Published: 08 November 2024

OpinionNoNo