In the event of pedestrian knockdowns, on what type of roads do the most serious accidents occur?

In the event of pedestrian knockdowns, on what type of roads do the most serious accidents occur?
A)In built-up areas.
B)On through roads.
C)On conventional roads.Correct
Cities are where pedestrians suffer the most accidents. However, on conventional roads the probability of being killed in a knockdown is 2 to 3 times higher, due to the greater speed of vehicles.