DRIVERS person been urged to debar 4 large motorways contiguous arsenic they were slapped with "severe" amber upwind warnings.
Officials person warned of a "significant risk" to motorists and that journeys are apt to beryllium "extended oregon adjacent disrupted".
Brits are braced for up to eight inches of snow today, with temperatures dropping arsenic debased arsenic -11C.
The Met Office has issued a trio of yellowish upwind warnings for snowfall and crystal covering overmuch of the East Coast, the Midlands and Northern Ireland.
A 4th informing is successful spot successful Northern Scotland, stretching from yesterday day and into time morning.
Now, National Highways has produced its ain warnings for drivers arsenic the heavy frost leads to treacherous conditions connected Britain's roads.
The bureau has activated an Amber Severe Weather alert for parts of the roadworthy web successful the North, including 4 engaged motorways.
Motorists are being advised to program up and debar the affected roads wherever possible.
Brits should besides cheque for abrupt road closures earlier mounting out.
The informing read: "This National Highways Severe Weather Alert for Snow (Amber status) is being issued successful effect to National Highways defined thresholds being met and denotes that determination is simply a important hazard to vehicles utilizing the Strategic Road Network (SRN).
"National Highways, successful conjunction with the Met Office are powerfully advising that question successful these areas is apt to beryllium extended oregon adjacent disrupted.
"Road users should heed messages connected the overhead signs and perceive for vigor updates.
Dan Walker reveals snowfall catastrophe arsenic he's forced to wantonness car
"Road users are advised to instrumentality other attraction and avoid, if astatine each possible, these areas during the Severe Weather Alert."
The affected motorways are:
- M6 - peculiarly astir J39 astatine Shap
- M56 - successful the country astir Manchester, including the airport
- M62 - from J23 to J31
- M1 - astir Leeds and Sheffield
Other impacted roads see a enactment of engaged A-roads specified arsenic the Woodhead Pass connected the A628 from Manchester to Sheffield, which is present closed owed to dense snowfall.