Business travellers face two days of travel disruptions before Christmas as the UK braces itself for widespread storms.
Strong winds and heavy rain are threatening to affect all the Home Nations today and tomorrow.
The Met Office has issued amber warnings for Wales and parts of England.
The Scottish Environmental Protection Agency (Sepa) has also warned of floods.
Rail companies said passengers should prepare for delays and cancellations.
In a statement late last night Network Rail said speed restrictions and reduced services had been introduced to reduce the risk caused by falling debris that could block lines and damage overhead power lines and signals.
Travellers have been urged to check updates on train company websites and social media accounts.
As a result of the train disruption the AA has warned motorways and roads would be busier than expected, which could exaerbate already hazardous driving conditions.
Airports and airlines across the UK have asked passengers to check their flight status before leaving home. Most are providing live updates on Twitter.
A number of ferry services have been cancelled.
Weather experts forecast conditions would ease over Christmas and Boxing Day, but warned storms could return by the end of the week.