Update 2023-01-29: According to reports from Sunday (29 January), the Great Western Railway will be cancelling many routes and running a limited service on other routes on Wednesday and Friday (1 and 3 February) due to the countrywide rail strike. Additionally, all Chiltern Railways stations between Oxford Parkway and London Marylebone will be closed, including Oxford Parkway. Chiltern Railways will be running a reduced service on strike days and all services will start and end at the West Ruislip station on strike days. The London Underground can be accessed from West Ruislip. It has also been reported that the Heathrow Express service will not operate on strike days.