What is the most common type of fatal accident within built-up areas?

What is the most common type of fatal accident within built-up areas?
A)Rear-end collisions.
B)Head-on collisions.
C)Running over pedestrians.Correct
Within built-up areas the most common type of accident is being hit from behind by another vehicle, that is, rear-end collisions, which usually do not involve fatalities.
Running over pedestrians is the type of accident that causes the highest number of fatalities within built-up areas.