Ice and fog warning for Lincolnshire
Motorists are being warned of possible hazardous driving conditions as temperatures drop across Lincolnshire.
A Met Office yellow warning remains in place, with a risk of ice and freezing fog predicted in parts of the county.
Rail and air services have also been disrupted by adverse weather conditions.
The runway at East Midlands Airport was closed on Monday morning and East Midlands Trains also reported severe delays.
About 60 schools were closed on Monday after up to 5cm (2in) of snow fell in places - with police describing some roads as "treacherous".
Most schools in the region reopened on Tuesday with seven remaining closed.
East Midlands Ambulance Service said it had seen a huge rise in calls over the past few days and asked people only to dial 999 in a genuine emergency.