TSI

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The Technical Specifications for Interoperability (TSI) aim to achieve a safe and interoperable European railway system. They are issued as EU regulations and are therefore directly applicable law in every EU member state. The TSIs form the basis for technical compatibility. They were originally introduced for freight and high-speed transport, but are now applicable to all conventional transport.

Among other things, the TSIs contain specific requirements and applicable test procedures for the individual interoperability constituents and subsystems. This forms the basis of our work as a Notified Body (NoBo) in the conformity assessment of railway products.

TSI INF:

technical specifications for interoperability relating to the ‘infrastructure’ subsystem of the rail system in the European Union incl.

18.11.2014VO (EU) Nr. 1299/2014

CONSOLIDATED VERSION

  • amendment to TSI INF
16.05.2019(EU) 2019/776 
  • amendment to TSI INF
10.08.2023(EU) 2023/1694 
  • correction to TSI INF
16.07.20252025/90601 
  • correction to TSI INF
16.07.20252025/90593 

TSI ENE:

technical specifications for interoperability relating to the ‘energy’ subsystem of the rail system in the Union incl.

18.11.2014VO (EU) Nr. 1301/2014CONSOLIDATED VERSION
  • correction to TSI ENE
 correction of 20.01.2015 
  • amendment to TSI ENE
13.08.2018(EU) 2018/868 
  • amendment to TSI ENE
16.05.2019(EU) 2019/776 
  • amendment to TSI ENE
10.08.2023(EU) 2023/1694 

TSI CCS:

technical specification for interoperability relating to the ‘control-command and signalling’ subsystems of the rail system in the European Union incl.

27.05.2016(EU) 2016/919CONSOLIDATED VERSION
  • amendment to TSI CCS
16.05.2019(EU) 2019/776 
  • amendment to TSI CCS
09.03.2020(EU) 2020/387 
  • amendment to TSI CCS
16.03.2020(EU) 2020/420 

TSI CCS:

technical specification for interoperability relating to the control-command and signalling subsystems of the rail system in the European Union

 (EU) 2023/1695 
  • amendment to TSI CCS
19.03.2026(EU) 2026/693 

TSI LOC&PAS:

technical specification for interoperability relating to the ‘rolling stock — locomotives and passenger rolling stock’ subsystem of the rail system in the European Union incl.

18.11.2014VO (EU) Nr. 1302/2014CONSOLIDATED VERSION
  • correction to TSI LOC&PAS
 correction of 16.01.2015 
  • correction to TSI LOC&PAS
 correction of 22.12.2015 
  • correction to TSI LOC&PAS
 correction of 19.04.2016 
  • amendment to TSI LOC&PAS
27.05.2016(EU) 2016/919 
  • amendment to TSI LOC&PAS
13.08.2018(EU) 2018/868 
  • amendment to TSI LOC&PAS
16.05.2019(EU) 2019/776 
  • amendment to TSI LOC&PAS
09.03.2020(EU) 2020/387 
  • correction to TSI LOC&PAS
 correction of 05.04.2023 
  • correction to TSI LOC&PAS
 correction of 25.05.2023 
  • amendment to TSI LOC&PAS
10.08.2023(EU) 2023/1694 
  • amendment to TSI LOC&PAS
04.04.2025(EU) 2025/675 
  • correction to TSI LOC&PAS
16.07.20252025/90594 
  • correction to TSI LOC&PAS
16.07.20252025/90593 
  • correction to TSI LOC&PAS
16.07.20252025/90596 

TSI WAG:

technical specification for interoperability relating to the subsystem ‘rolling stock — freight wagons’ of the rail system in the European Union incl.

13.03.2013VO (EU) Nr. 321/2013CONSOLIDATED VERSION
  • amendment to TSI WAG
02.12.2013VO (EU) Nr. 1236/2013 
  • amendment to TSI WAG
08.06.2015(EU) 2015/924 
  • amendment to TSI WAG
16.05.2019(EU) 2019/776 
  • amendment to TSI WAG
09.03.2020(EU) 2020/387 
  • amendment to TSI WAG
10.08.2023(EU) 2023/1694 
  • correction to TSI WAG
16.07.20252025/90597 
  • correction to TSI WAG
16.07.20252025/90598 
  • correction to TSI WAG
16.07.20252025/90593 
  • correction to TSI WAG
16.07.20252025/90595 
  • correction to TSI WAG
16.07.20252025/90596 
  • amendment to TSI WAG
14.10.2025(EU) 2025/2064 

TSI PRM:

technical specifications for interoperability relating to accessibility of the Union's rail system for persons with disabilities and persons with reduced mobility incl.

18.11.2014VO (EU) Nr. 1300/2014CONSOLIDATED VERSION
  • amendment to TSI PRM
16.05.2019(EU) 2019/772 
  • amendment to TSI PRM
10.05.2022(EU)2022/721 
  • amendment to TSI PRM
05.01.2023(EU) 2023/62 
  • amendment to TSI PRM
10.08.2023(EU) 2023/1694 
  • correction to TSI PRM
16.07.20252025/90596 

TSI NOI:

technical specification for interoperability relating to the subsystem ‘rolling stock — noise’

26.11.2014VO (EU) Nr. 1304/2014CONSOLIDATED VERSION
  • amendment to TSI NOI
16.05.2019(EU) 2019/774 
  • amendment to TSI NOI
10.08.2023(EU) 2023/1694 

TSI SRT:

technical specification for interoperability relating to ‘safety in railway tunnels’ of the rail system of the European Union 

18.11.2014VO (EU) Nr. 1303/2014CONSOLIDATED VERSION
  • correction to TSI SRT
09.06.2016(EU) 2016/912 
  • amendment to TSI SRT
16.05.2019(EU) 2019/776 
  • amendment to TSI SRT
08.01.2024(EU) 2024/191