A young woman from the Peterborough area has been killed in a crash involving several vehicles on the A1 near Grantham.
The multiple collision involving a silver Nissan Micra happened just after 6pm on Friday, January 18.
Witnesses are asked to call Lincolnshire Police on the non-emergency number 101.
Meanwhile, motorists are urged to take extra care on untreated road surfaces.
The Met Office has issued a yellow warning of ice, with temperatures predicted to remain at or below freezing point.