A look at how the planned rail strike will affect passengers
This article does not take into account the latest news that the TSSA union will not strike.
UPDATE: TSSA rail union suspends Bank Holiday strike
A rail strike by members of the RMT trade union is planned for Bank Holiday Monday and Tuesday and it is likely to cause widespread disruption.
Talks to avert the strike are ongoing and operators are currently working on contingency plans but Virgin Trains and First Great Western have already announced amended timetables.
Full details of what services will run, when and where, are expected to be available from train operators by Saturday, with "overviews and summaries" available from today.
Passengers are also advised to follow Network Rail's official twitter account for up-to-date information.
Network Rail has said the industrial action will affect several train companies and a full list of those operators is at the bottom of this article.
First Great Western:
First Great Western has already said the following services will be affected with no services running after 0001 Monday and throughout Tuesday :
North Cotswolds line, from Oxford and calling at Worcester and Hereford, or services between Didcot and Oxford
Beyond Plymouth to Penzance and on Devon and Cornwall branch line services
Reading to Gatwick Airport/Reading to Basingstoke
Between Swindon and Gloucester/Cheltenham
Between Swindon and Melksham
Between Bath Spa and Portsmouth Harbour
Between Bristol and Weymouth
Between Reading and Taunton
On Greenford Branch lines
On Severn Beach branch line
On the Devon and Cornwall line, no sleeper services will be operating on Monday or Tuesday.
First Great Western said "full refunds will be available for customers who have already bought tickets during the industrial action period and choose not to travel, and Season Ticket holders will be compensated for any days affected.
Those with tickets for travel on Monday and Tuesday will also be able to use their ticket to travel on Sunday 24th May or Wednesday 27th May, subject to any travel restrictions that would normally apply to your ticket."
Virgin Trains:
West Coast main line operator Virgin Trains has scrapped all services on Monday and Tuesday.
There will be a very limited number of trains on its East Coast line over the two days.
Monday services will run until early afternoon, with the exception of routes in Scotland beyond Edinburgh, where there will be no services to and from Aberdeen, Glasgow and Inverness.
On Tuesday, a limited number of trains will run on London-Leeds and London-York-Newcastle routes only.
Virgin said: "Customers planning to travel on the affected dates will need to make alternative arrangements. If you are planning to travel on Sunday May 24th or Wednesday May 27th we recommend that you check before you travel for more information on how your journey may be affected.
"We appreciate that many customers will have their travel plans disrupted by the planned industrial action, so train companies have agreed to put in place special arrangements to make it easier for you to complete your journey."
London Underground/ Overground:
London Underground issued a statement which said that if the industrial action goes ahead, the following services will be affected on Monday, Tuesday and into Wednesday morning:
Bakerloo line: trains will not run north of Queen's Park
District line: there will be no service between Wimbledon and Putney Bridge after 17:00 on Monday and all day Tuesday. There will be no service between Turnham Green and Richmond all day on Monday and Tuesday
Waterloo & City line: no service
London Overground: no services will run, except between Dalston Junction and New Cross/New Cross Gate which will operate from 08:00 and 13:00 on Monday and 08:00 and 17:00 on Tuesday
Information for ticket holders:
Network Rail has issued the following guidance for ticket holders.
According to Network Rail the following operators will be affected by the national rail strike.
Abellio Greater Anglia - No services after midday on Monday. On Tuesday there will be a skeleton service between London and Norwich, London and Colchester, London and Shenfield and London and Stansted Airport
Arriva Trains Wales - On Monday a number of routes will not operate and there will be no services after 5pm. On Tuesday only a very few services will run from around 7.30am
Chiltern Railways - Limited service on Monday and Tuesday.Trains serving Wembley Stadium, where the Middlesbrough-Norwich City play-off final kicks off at 3pm, will not operate.
East Midlands Trains - Some services will not operate and trains will start later and finish earlier than usual
First Great Western - Details above
Gatwick Express - There will an extremely limited service on Monday and no service on Tuesday
Heathrow Connect - The stopping service between London Paddington and Heathrow will not run on Monday or Tuesday
Heathrow Express - A regular service is planned for Monday and Tuesday but services could start later and finish earlier than usual
London Midland - Very few trains will run on Monday and Tuesday, with no services on most of its network.
Merseyrail - Services will stop at 6pm on Monday and there will be no trains on Tuesday. There may be timetable changes on Wednesday.
Northern Rail - Only a very limited services to key stations
ScotRail - Many routes will not operate. Some services will run with limited timetables
South West Trains - There will be a reduced service from early afternoon on Monday, with all trains stopped by late afternoon. There will be no services on Tuesday.
Southeastern - Only 14% of stations will open on Tuesday and only a fifth of the network will see any service. Trains will only run between 7am and 7pm on Monday and between 9am and 5pm on Tuesday.
Thameslink - Only a very limited services to key stations
Virgin Trains - Details above
Virgin Trains East Coast Details above