Snow and ice in parts of England and Wales are causing relatively minor problems for travellers on Friday.
Here is a round-up of the latest travel situation on the roads, railways and at airports.
Although snow is dying away in many parts of the country, the BBC Weather Centre has warned of freezing fog and hidden black ice on the roads.
Drivers are urged to drive slowly even if roads look clear and to keep plenty of distance between cars.
A southbound stretch of the M1 motorway, between
junctions 28 and 27, has been closed after a crash.
The collision, near Mansfield, Derbyshire, at around 0640 GMT, involved a lorry and a car. It was not yet clear whether the incident was weather-related, said the Highways Agency.
Highways Agency traffic information: 08700 660 115
AA Roadwatch: 09003 401 100
National Rail says the vast majority of train operators expect to operate a normal service on Friday with the exception of some Virgin Trains and Central Trains services. But all passengers should be aware that points could freeze leading to morning delays.
People and equipment were "out in force" to clear ice and keep trains and passengers on the move, Network Rail said.
Central Trains' Birmingham New Street to Stansted Airport service will terminate at and return from Cambridge.
Its Nottingham to Cardiff services will terminate at and return from Newport.
Minor changes are likely on Central's Lichfield to Redditch Cross City Line services.
Minor changes are expected on the Nottingham to Worksop Robin Hood Line timetable.
Virgin West Coast Trains will be operating a reduced timetable with an hourly train service running to all major destinations.
Tickets that had been valid for travel on Virgin West Coast and Virgin Cross Country services on Thursday will be valid for travel on Friday.
Virgin Trains will operate an hourly service between London Euston and Birmingham from 1000 to 1500.
It will also operate an hourly service between Euston and Manchester from 1000 to 1300.
Some morning services between Euston and Manchester Piccadilly have been cancelled.
Some morning and early afternoon services between Euston and Birmingham New Street have been cancelled.
Some morning and early afternoon services between Euston and Wolverhampton will call additionally at Watford Junction.
Transport for London is reporting a good service on all London Underground lines.
National Rail Enquiries: 08457 48 49 50
London Travel Information: 020 7222 1234
Operator BAA said operations had returned to normal at Heathrow, Gatwick, Glasgow, Edinburgh and Aberdeen.
Stansted airport is open but as it was heavily affected by Thursday's snow, passengers are still being advised to check with their airline before leaving for the airport.