Devon and Cornwall Police is urging road users to drive carefully following a series of crashes.
Snowy conditions are causing trouble to drivers across the West Country.
Armed Force Response Officer, Sgt Harry Tangye, Tweeted a video telling drivers to slow down.
He says cars driving too fast in wet conditions risk aquaplaning.
Devon County Council has also released a statement urging drivers to take care.
"A very cold night is expected across Devon this evening (27 December 2017) with road surface temperatures forecast to fall below -4.0 in some places.
"While Devon County Council will be treating the salting network up to three times over the coming 12 hours, drivers are being urged to take extra care due to the expected freezing conditions.
"Please avoid driving through flood water and be aware that ice is expected to form on roads off the salting network. There is also a risk of ice on the salting network due to the amount of rain we have experienced lately.
"Due to the recent heavily rainfall, please be aware that some roads remain blocked or passable with care."