Rail Data Standards


ATLAS Guides are currently being edited. Check back soon for the latest information!

ATLAS Schema:

ATLAS structures all data through customisable hierarchies. All GIS, asset and attribute data is available through our open APIs.


EULYNX is an European initiative by 14 Infrastructure Managers to standardise interfaces and elements of the signalling systems. Find out more:



System Data Exchange Format (SDEF) is a schema that allows for a consistent data exchange between Network Rail and their supply chain.