railVIVID

railVIVID 2.1 is available

Check the improved validation and interface features!

railML development

railML® agile development process

Contact us to contribute to railway open-source data standards!

railML Ontology

railML ontology beta publication

The goal is to improve understandability for railML schemas.

railML.org Mission

Open data exchange standard for railways

We are committed to exploring, discussing and presenting systematic XML-based solutions for the entire railway sector
RABe 501 "Giruno" by SBB (Schweizerische Bundesbahnen) between Rotkreuz and Oberrüti, Switzerland (© David Gubler / https://bahnbilder.ch/)

Data exchange by railML: As easy as changing the train.

Use cases for railML development.
Collage of Erixx trainset at Bad Harzburg Exit Signals with Euro Bank Notes (© railML.org/Alexander Wolf with Pixabay images)

railML was, is and will be free of charge

Read the article to be informed
ETCS balise on DB Netz' high speed line Erfurt – Leipzig/Halle (© Vasco Paul Kolmorgen, Dresden)

ETCS data by railML interlocking.

Developed by Infrastructure Managers and Industry together with railML.org.

Documentation

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Forum

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Download Schemas

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Next Events

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NEWS from railML

Fourth IDX4rail Expert Workshop Day in Munich: The road to an updated VDV Recommendation 456

Presentation of Additions and Changes in IDX4rail Beta 3 and State of Documentation On April 16th, 2026, the IDX4rail project consortium met with experts in the field of infrastructure data including various railway, tramway, and light rail...

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Taking Steps Towards Usability of railML® Defined Data in TAF/TAP TSI Standardised Messaging

In summer 2025 railML.org allocated resources to commence the mapping of the railML ® 3.3 standard to the EU-mandated communication standard TAF/TAP TSI (Technical Specifications for Interoperability). Given the goal to allows railway operators to...

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Forum Activity

IS

[IS] Re: Relief facilities by Lukas Affolter
01. Jun 2026

IL

[IL] Re: Defining the AreaLocation of a IL:RestrictedArea by Mathias Vanden Auweele
13. Apr 2026

MISC

[MISC] Re: Extending railML: multiple domain specific Extensions for the same Elemen by Milan Wölke
08. Jun 2026

RS

[RS] Re: [railML3.2] Cant Deficiency Class for RS and/or TT by Jörg von Lingen
23. Feb 2026

TT

[TT] Re: [railML 3] Qualifier for train times by Milan Wölke
26. May 2026