This is the Second part of our 2 part mini series looking at Road Traffic Collision.

In this episode we put your questions to Adam Barrow, head of collision research at TRL.

Is closing speed a useful thing to describe? 50mph + 50mph head on = 100mph crash...right? How do airbags influence injury? Do electric vehicles present a risk to the rescuer? These and many more questions answered.

Find the article at www.generalbroadcast.org.uk