The correct answer would be, 4.
When following large vehicles that block your view of the road ahead, give yourself a 4 second or more cushion of space in front of your vehicle.
Explanation:
When you drive your car, there are pretty chances that there comes a vehicle in front of your vehicle, which is large enough to block you view of the road ahead. This creates a lot of anxiety on the go.
If this situation happens, it is advised that you wait for at least a minimum of four seconds or even more than that, and give yourself a cushion of space in front of your vehicle, to avoid over taking in anxiety, which may cause serious accident, because you ideally do not know the actual situation on the road ahead as your view is blocked by the huge vehicle.
So give yourself some time to analyze the situation and then take a move.
Learn more about Traffic Rules at:
brainly.com/question/13520779
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