18-year-old woman killed on a railroad crossing during driver's license exam

A yound woman was killed during her driver's license exam. On footage from a nearby security camera some details of the accident can be seen, leaving behind many questions. Why did the car stop on the railroad tracks and not at the stop sign before the crossing? Why did the 18-year-old stay in the car when the examiner was able to get out? The questions are many and the prosecutor has begun the investigation. On Monday, the examiner was charged with unintentional causing of a fatal road accident.