Work on a new HS2 station at Old Oak Common in West London will affect some train services into London Paddington over the next few years.
At times there will be reduced services operating between London Paddington and Ealing Broadway or Heathrow Airport terminals.
On Friday 27 December to Sunday 29 December, there will no mainline trains operating to or from London Paddington.
As a result, some GWR services will be diverted to London Euston and other trains will start/terminate at Reading or Ealing Broadway instead.
More information about changes to timetables:
Updates
Looking ahead
Further engineering work to support the construction of the new Old Oak Common station is planned to take place over the next few years, with work on the new station due to finish in 2028 and services due to start in 2030.
Further information
For the latest information about Old Oak Common, visit the HS2 website.