The whole point is that you should be driving at all times with the view that YOU may need to make an emergency stop. Whatever the reason.
One of the big problems with driving too close is it severly restricts your visibility around the vehicle in front, drop back a bit and its surprising how much more you can see in front of that vehicle, especially if its a van or lorry or similar.
One of the big problems with driving too close is it severly restricts your visibility around the vehicle in front, drop back a bit and its surprising how much more you can see in front of that vehicle, especially if its a van or lorry or similar.
You can't just make an emergency stop without having a reason