Last updated:Today at 23:28
Train companies affected:Elizabeth line, Great Western Railway, Heathrow Express
Last updated:Today at 21:18
Train companies affected:South Western Railway
London Northwestern Railway routes
Strike action to affect London Northwestern Railway services has been announced by the ASLEF Union.
An ASLEF Union overtime ban is in place every day until Saturday 9 December and there will be alterations to London Northwestern Railway services.
A day-by-day summary of service changes on industrial action dates can be found below:
Tuesday 5 December to Friday 8 December (inclusive):
There will be no services between Bletchley and Bedford, and between Watford Junction and St Albans Abbey. Rail replacement services will operate.
There will be a reduced peak time service between Milton Keynes Central / Tring and London Euston.
Saturday 9 December:
There will be no service between Watford Junction and St Albans Abbey. Rail replacement services will operate.
Answers to Frequently Asked Questions can be found on the London Northwestern Railway website.
Check before you travel:
You can check your journey on London Northwestern Railway services using the National Rail Enquiries real-time Journey Planner.