Ice warning issued for Berkshire
A weather warning remains in force in Berkshire with temperatures expected to stay around freezing.
The Met Office advised motorists to check the weather forecast as driving conditions could become hazardous.
The Highways Agency said it was working closely with forecasters to monitor conditions and was treating motorways and major routes around the clock.
With temperatures dipping to -6C, the warning for ice will remain in place over the weekend.
While Newbury Racecourse's "Super Saturday" meeting, which was set to feature the richest hurdle race in Europe, has been abandoned due to snow on the course.
West Berkshire Council said gritters had been out treating roads.
To help people plan their driving the authority's website shows which routes have been gritted.
A full list of primary and secondary gritting routes in the Windsor and Maidenhead area is available on the council's website.
Reading Borough Council said all A and B roads in the borough were being gritted, as well as some busier lower class roads.
Bracknell Forest Council said gritting lorries had been treating primary and secondary routes.
Slough and Wokingham councils said they were prepared for the cold weather.