How can you use a roadside post or sign to check your following gap?

Question

Accepted Answer

Count the seconds from when the car ahead passes it until you pass it. Pick a fixed object, note when the car ahead passes it, then count how many seconds pass before you reach it.

Answer

Count the car lengths between you and the car ahead as you pass it

Answer

Check that your speedometer matches the speed limit as you pass it

Practice Question 377

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