The Bus services around the Christmas and New Year period will often operate differently to normal weeks. 

The data for use in services such as the Department for Transport Bus Open Data Service , Traveline, journey planners, real time systems and mobile phone apps all need to be updated to reflect the changed operation. 

This advice deals with how to prepare data for the BODS and other systems to ensure that it is correct for the Christmas and New Year 2026-27 holiday period. 

https://rtig.org.uk/system/files/documents/RTIGT068-1-0%20Christmas%202026%20Data.pdf