An army of gritters and snow ploughs is on duty on Telegraph Hill and the A38 south of Exeter. All lanes are now clear but there is thick fog.
At least one person has been seriously injured in a multi-vehicle accident on the A38 in Plymouth. It happend on the Exeter bound carriageway of the A38 between Manadon and Marsh Mills. Police say there were freezing conditions in the area at the time.
A man is being treated at Derriford Hospital and is said to be in a critical condition.
There were a total of five collisions, involving ten vehicles. The road is expected to be closed until 1300 hours.
On the A38 in Plymouth, the Parkway Southbound exit slip road is closed, and there are long delays. It's due to an overturned car at the A374 Plymouth Road / B3416 Plymouth Road (Marsh Mills Roundabout). Police are in attendance.