Today THE 1 km - long Ghan passenger train was involved in another accident yesterday when it ran into a grandmother 's car trying to nip across a level crossing . Motorist Gwen Rogers , 77 , who was driving to hospital for treatment to a bad arm , said she thought the train was moving so slowly that she would have time to get over the track . " I sort of looked that way , " she said . " But when I looked the other way I heard the train 's horn blow . "
According to the above context, answer the following question.
What may be the reason for the accident ?


The woman was not paying attention while driving .