The Highways Agency said normal traffic conditions would not return to the M4 until 2300 GMT.
The Highways Agency said control centres had been opened in every region in England.
The Highways Agency said a number of roads were closed due to the snow.
BBC: Schools and airports closed after heavy snow in England
It has since withdrawn its support, claiming the Highways Agency had not "engaged well with residents".
The Highways Agency says dualling the road will cut down on accidents and improve journey times.
BBC: NEWS | UK | England | Norfolk | Concerns over A11 bypass scheme
The Highways Agency said it would help traffic flow better and make journey times more reliable.
The Highways Agency wants to change its layout to stop queuing traffic in the area.
The Highways Agency said it was expecting weather conditions on Sunday to become increasingly difficult.
The Highways Agency said it was expecting weather conditions on Sunday to become increasingly more difficult.
The Highways Agency is working closely with the Met Office to monitor weather conditions.
The Highways Agency said it was expecting weather conditions on Sunday to become more difficult.
The Highways Agency said said the entire project was likely to be completed by mid-December.
Nottinghamshire Police and the Highways Agency are warning motorists to be prepared for the conditions.
Three traffic bottlenecks in Gloucestershire are hindering business performance, commercial groups have told the Highways Agency.
The Highways Agency is warning drivers to be prepared and to set off earlier.
However, the Highways Agency insists supplies are sufficient to keep main roads open in the coming days.
The Highways Agency says it will improve safety for thousands of motorists who use the stretch daily.
BBC: M27 closure: Motorway closure continues through weekend
Councillors in Wiltshire and Somerset and the Highways Agency appealed saying traffic would move onto local roads.
Since June, the Highways Agency has carried out preliminary work including installing fencing and animal protection work.
Nearly 150 metal theft incidents happened on West Midlands motorways in a year, the Highways Agency said.
New road layout plans for a notorious bottleneck in Gloucestershire have been dropped by the Highways Agency.
Police are liaising with the Highways Agency and Wiltshire Council to work on the worst areas affected.
Overhead message signs controlled by the Highways Agency in Wakefield tell drivers when the hard shoulder is open.
The Highways Agency has advised road users to take extra care and to be prepared for the conditions.
The Highways Agency is attempting to recover the lorry and said the road could remain closed all day.
The Highways Agency has suspended road works during Easter on a number of England's motorways and major A roads.
Currently, the Highways Agency is reviewing the rules and regulations binding the industry.
The owners of two cottages facing a busy roundabout have called on the Highways Agency to purchase their homes.
However, the Highways Agency reported "business as usual" on major routes in England.
The Highways Agency advised drivers to plan their journeys or consider delaying their plans if the weather becomes severe.
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