Commuters have been urged to check journeys before travelling this morning after heavy rainfall overnight left train lines and roads submerged in water.
Five Tube lines have already been hit by flooding, with the Piccadilly, London Overground, District and Metropolitan all part suspended. There are also severe delays on the Bakerloo line.
National Rail has warned passengers that services across England and Wales may be affected after the Met Office warned that more than a month’s rain could fall in some areas on Monday.
Severe weather is affecting Great Northern, Gatwick Express, Southern and Thameslink routes. The disruption is expected to last until at least 7.30am.
On the roads, National Highways has warned drivers to consider alternative routes into London, with the A3 northbound entry slip road from the M25 at junction 10 roundabout closed after flooding.
For the latest travel updates and to see how your journey may be affected, scroll down.
Heavy rain hits Gatwick Express, Southern and Thameslink services
The severe weather is wreaking havoc across the rail and road network.
Great Northern, Gatwick Express, Southern and Thameslink services are feeling the brunt of it today as several routes have been affected.
Trains could be altered or delayed, with National Rail warning that journeys could take 10-20 minutes longer.
This is due to speed restrictions in place after heavy rain overnight, which in turn is causing congestion on the railways.
A-road closes near Milton Keynes
Another road has shut after flooding, this time between Milton Keynes and Bedford.
The A421 is closed in both directions between the M1 and the junction with the A6 Bedford south, National Highways warns.
Police and Highways officers are on the scene, and they are currently unable to to say when the carriageway will reopen.
Diversions have been put in place – drivers eastbound should follow solid triangle symbols on road signs, while motorists heading west should follow the solid diamond diversions symbols.
Drivers warned to consider alternative routes into London
Five Tube lines hit by flooding so far
Bakerloo Line: No service between Queen’s Park and Harrow & Wealdstone due to flooding caused by rain. Severe delays on the rest of the line. Tickets accepted on local buses and London Overground.
District Line: No service between Turnham Green and Richmond due to flooding caused by heavy rain. Good service on the rest of the line. Tickets accepted on local buses and South Western Railways.
London Overground: No service between South Acton and Richmond due to flooding caused by heavy rain. Good service on other routes.
Metropolitan Line: No service between Rayners Lane and Uxbridge due to flooding caused by heavy rain. Good service on the rest of the line. Tickets accepted on local buses.
Piccadilly Line: No service between Rayners Lane and Uxbridge due to flooding caused by heavy rain. Good service on the rest of the line. Tickets accepted on local buses.
For the latest status updates, click here.
Fresh misery for commuters heading into London
Several rail routes, including some heading into London, have been affected by heavy rainfall overnight and into this morning.
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