Welcome to the reference document database (RDD)!
The European Union Agency for Railways makes available the Reference Document Database RDD in order to facilitate the access to the rules applied in conjunction with the authorisation of railway vehicles in the Member States of the European Union plus Norway.and Switzerland
For more information about the usage of this tool, please see the RDD User Manual.
The Reference Document:
Part 1 The Application Guide
The Reference Document Application Guide v.3.0 refers to the elements included in the Commission Decision 2011/155/EU, and any other information relevant for the management, understanding and use of the reference document. Version 3.0 is available in all European languages: BG, CS, DA, DE, EL, EN, ES, ET, FI, FR, HR, HU, IT, LT, LV, NL, NO, PL, PT, RO, SK, SL, SV. The list of parameters published in the Commission Decision 2015/2299/EU was also implemented in RDD.
NB1: The elements addressing the NLF in The Reference Document Application Guide v.3.0 should not be considered because they are superseded by the 4th Railway Package and its transpositions.
NB2: To support the migration to the new list of parameters, the existing list of parameters from Annex III of the Reference Document Application Guide v2.0-22.07.2013 has been preserved.
Part 2 National Reference Documents (NRDs)
The information on national technical rules and classifications in RDD is currently under verification on a Member State by Member State basis.
During the cleaning–up of national rules, the table below provides the status for each MS/country:
| MS |
Opinion sent out |
Publication in RDD by MS |
Agency status updated in RDD |
| Austria (Draft NRs) |
For draft national rules in RDD, OPI-2021-3 was sent to MS.
Assessment ongoing for rules originating from Health and Safety legislation |
Partly done. H and S rules not published |
Done |
| Belgium |
Sent to MS, discussion with EC ongoing :1 NR revised by BE,
1 NR ongoing |
Done |
Done |
| Bulgaria |
NA |
Done |
Done |
| Croatia |
Assessment Ongoing for additional rules submitted |
Ongoing |
Ongoing |
| Czech Republic |
Assessment Ongoing |
Ongoing |
Ongoing |
| Channel Tunnel |
Sent to MS, CT agreed with 3NRs (removed from RDD): 1NR ongoing |
Done |
Done |
| Denmark |
NA |
Done |
Done |
| Estonia |
Sent to MS, EE agree with TO - Reply to EC ongoing |
Done |
Done |
| Finland |
NA |
Done |
Done |
| France |
Sent to MS. The MS's reply to TO received. |
Done |
Done |
| Germany |
Assessment Ongoing |
RDD updated, pending publication by MS |
Ongoing |
| Greece |
NA |
Done |
Done |
| Hungary |
Sent to MS, waiting feedback from MS |
RDD updated, pending publication by MS |
Ongoing |
| Ireland |
NA |
Done |
Done |
| Italy |
Assessment Ongoing |
Done |
Ongoing |
| Latvia |
Sent to MS, LV agreed and corrected the concerned NRs |
Done |
Done |
| Lithuania |
NA |
Done |
Done |
| Luxembourg |
Sent to MS. LU agreed to repeal remaining 1NR |
Done |
Done |
| Netherlands |
Assessment Ongoing |
Ongoing |
Ongoing |
| Norway |
Sent to MS, waiting feedback from MS |
Done |
Done |
| Poland |
Sent to MS, PL agreed and corrected the concerned NRs |
Done |
Done |
| Portugal |
Sent to MS, PT agreed and corrected the concerned NRs |
Done |
Done |
| Romania |
NA |
RDD updated, pending publication by MS |
Ongoing |
| Slovakia |
Sent to MS, reply received, waiting feedback from MS |
Done |
Done |
| Slovenia (Draft NRs) |
Assessment Ongoing |
Ongoing |
Ongoing |
| Spain |
NA |
Done |
Done |
| Sweden (Draft NRs) |
NA |
Done |
Done |
| Switzerland |
Sent to MS. The MS's reply to TO received. |
Done |
Done |
| UK-Northern Ireland |
No rules from MS |
No rules from MS |
No rules from MS |
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