The document outlines the terms and conditions for using the National Rail Enquiries (NRE) real-time train information feeds, governed by a modified version of the Open Government Licence. Users are granted a non-exclusive and royalty-free license to use the information under specific conditions while ensuring compliance with NRE's intellectual property rights and developer guidelines. The license includes important exemptions and limitations, including no transfer of intellectual property rights, no warranties, and no obligation of continuous service provision by NRE.