Realtime Trains makes use of five feeds from Network Rail's open data feed platform.
The data feeds provided by Network Rail contain information owned by Network Rail Infrastructure Limited under this licence.
Realtime Trains makes use of nationwide train describer feeds in order to provide platforming and realtime positioning data for services. Advance platforming information is available at most London terminals and major stations across the country.
This information is slowly being rolled out in more areas where train describer feeds are available.
Transport for London provides a syndicated XML feed from their Trackernet service. Trackernet provides a train departure board feed from the entire London Underground operating area.
Trackernet provides some data for the live departure board functionality at Amersham, Chalfont & Latimer, Chorleywood and Rickmansworth stations. It also provides realtime train movement data between Harrow-on-the-Hill and Amersham for Chiltern Railways services.
The data feeds provided by Transport for London are subject to the Transport Data Service terms & conditions.
RailMiles provides a database containing route geography.
This data is used to augment the scheduling data, provided by Network Rail, with additional passing points with the aim to improving the predictions provided by the service.