11.   The combination of rain and greasy surfaces made driving conditions treacherous.

12.   Thick fog is making driving conditions hazardous.

13.   Driving conditions were made worse by smoke from a burning lorry.

14.   On the roads -- the combination of rain and greasy surfaces has made driving conditions treacherous.

15.   In Cambridgeshire there were several minor accidents on flooded roads and driving conditions were difficult in Suffolk and Sussex, with many roads awash with water.

16.   Several witnesses said driving conditions were appalling on the night of the accident.

17.   And wet roads have made driving conditions treacherous in many parts of the region.

18.   And the threat of nasty driving conditions could stick around, because temperatures are expected to stay below freezingthrough Thursday.

19.   And the special chemicals called additives that are added to the base stock oil to combat these driving conditions do get used up and worn out.