Storm Eunice is causing travel chaos, with hundreds of rail lines blocked and road bridges closed.
A rare “do not travel” alert was issued across railways in England and Wales, as seven operators suspended all services.
More than 430 flights due to take off or land at UK airports were cancelled on Friday.
Both the M4 Prince of Wales Bridge and the M48 Severn Bridge, which link England and Wales across the River Severn, were closed due to high winds.
It is believed to be the first time both crossings have been closed simultaneously.
The train operators which stopped running all services on Friday afternoon were: c2c, Chiltern Railways, Great Western Railway, Greater Anglia, South Western Railway, Southeastern and Transport for Wales.
Network Rail closed all routes in Kent while every line in south-east London was blocked by trees.
Many journeys were already delayed as the organisation implemented widespread emergency 50mph speed limits before the bad weather arrived to make it easier for train drivers to brake.
Latest on disruption from #StormEunice:
🚆National DO NOT TRAVEL across rail network🛤️Tracks blocked across the South, services cancelled and some routes suspended⛴️ Ferry services suspended from Dover✈️London airports & Bristol seeing high numbers of failed landing attempts
— Rt Hon Grant Shapps MP (@grantshapps) February 18, 2022
Passengers were urged not to travel.
Jacqueline Starr, chief executive at industry body the Rail Delivery Group, said: “Storm Eunice is causing widespread damage and we’ve had to respond by closing lines to keep our customers and staff safe.
“We’re telling people not to travel today and instead to claim a fee-free refund or use their ticket over the weekend.”
The Port of Dover announced it was closed “in the interests of customer and staff safety”, meaning no ferries could operate between Dover and Calais.
#PODOVER – All services between Dover and Calais are suspended until further notice. We expect this to be the case for most of the day and we will provide further information when possible. We strongly advise our customers NOT to travel to the Port of Dover today
— P&O Ferries Updates (@POferriesupdate) February 18, 2022
Several sailings across the Irish Sea were also cancelled.
National Highway, which operates the Severn bridges, said its staff were “being abused” for taking action to “keep road users safe”.
Traffic Wales, the Welsh Government’s traffic information service for motorways and trunk roads, warned that “many HGVs are ignoring the safety advice on Britannia Bridge”.
Restrictions remain the same on #A55 #BritanniaBridge, we are continuously monitoring the wind speeds and will update with any changes.https://t.co/1wIjJwpk6j
— Traffic Wales North & Mid #KeepWalesSafe (@TrafficWalesN) February 18, 2022
The bridge, which connects the island of Anglesey with mainland Wales, is closed to all traffic except cars and car-derived vans.
There were one-hour delays on the M25 due to the closure of the Queen Elizabeth II bridge, which is part of the Dartford Crossing.
The RAC said the number of call-outs to broken-down vehicles was lower than normal, indicating that many people were “taking the weather warnings seriously and not setting out”.
It added: “The fact many roads are so clear is a sign that today is not a safe day to be driving.”
Transport for London urged people to avoid non-essential journeys in the capital.
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