Roads are blocked and bus services scrapped as the region wakes up to another day of heavy snow.
The region's roads were thick with snow, slush and ice on Wednesday morning, as the so-called Beast from the East returned.
Norfolk police tweeted at 6am to say the A11 northbound at Wymondham was blocked because of HGVs stuck in the road.
And just moments later they tweeted to say the A143 at Haddiscoe was blocked in both directions, after cars became stuck in the road.
Just before 6.45am, they said the A47 by the B1108 junction near Colney, the eastbound carriageway, was partially blocked due to a jack-knifed lorry.
At 9am Norfolk police said the A11 (Thetford to Norwich) was blocked, as well as the A47 (eastbound and westbound, particularly around Norwich), and A140 (both directions in and out of Norwich).
Also on the A47 at the B1108 junction, Great Yarmouth bound, lorries and vans were stuck trying to drive up the slip road.
And commuters reported traffic at a standstill on a number of major routes around the region - including on the A47, Rosary Road in Norwich, and around the city's train station.
There was another crash on the slip road from Longwater retail park, heading onto the A47 westbound.
In the early hours of the morning, a gritter crashed into the central reservation on the A11.
All bus services are suspended on First Bus, Borderbus, Park and Ride services and Konectbus.
Norwich International Airport said it was closed until 3pm.
A number of train services were cancelled,including between Norwich and Great Yarmouth, Lowestoft, and Sheringham.
Greater Anglia said no replacement bus services would be available.
Wednesday's cancellations include on lines from Norwich to Lowestoft and Great Yarmouth.
To check if your journey is going ahead, click here.
Police gave warnings to drivers to stay safe, including PC Jon Parker who said: 'Starting to see the morning commute begin. Nearly every car I've seen has not been cleared adequately.'
Norfolk Coroner's Court has cancelled the hearings which were due to be held at Carrow House today.
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