Devon and Cornwall Police say they dealt with more than 600 snow-related call outs last night.
Throughout today officers have been helping to dig out abandoned vehicles on roads such as the A30.
They say the county's main routes remain passable, as long as drivers take care.
At lunchtime Devon County Council appealed to drivers to return to abandoned vehicles on routes such as the A380 and A379.
The RAC say they expect to have attended around 10,000 breakdowns by the end of today.
The motoring organisation say they are going to an average of seven breakdowns a minute in some very challenging conditions.
Exeter Airport remained open this morning but Bristol Airport was closed due to snow.
With temperatures falling this week Teignbridge Council and Torbay Council activated their emergency plans for the homeless.
It sees extra spaces being offered to those who would otherwise be living on the streets.
There's reports the main road between Dawlish and Teignmouth - the A379 - is like a sheet of ice in places.
There's been problems on the B3192 the Teignmouth to Exeter road.
Overnight the A380 was completely closed at Ideford Dip due to a vehicle blocking the road and the A38 Telegraph Hill has been blocked by stationary traffic. There was also problems on the M5.
Councillor Stuart Hughes, Devon County Council Cabinet Member for Highway Management, said: "If you have to travel please take extra care.
"The risk of hazardous conditions will remain while our teams continue to work hard to re-open routes and treat our main gritting routes."
141 schools across Devon remained closed this morning - leading to celebrations for some pupils who have been playing in the snow and making use of the day off.
Overnight there was problems on the A30 in Cornwall were many drivers spent hours in their cars.
The Jamaica Inn remained open throughout the night and became a mini refuge centre.
Up to twenty cars have been abandoned in deep snow in Princetown on Dartmoor.
In Bodmin a woman gave birth in the ASDA because an ambulance couldn't reach her in time.