Safety margins

Before overtaking a long, slow lorry, why is it helpful to drop back a little first?

To let the lorry speed up
To warm up your brakes
To improve your view of the road ahead
Correct
To save the lorry driver fuel

Why?

Rule 222 of The Highway Code explains that keeping well back from a large vehicle improves your ability to see and plan ahead. Dropping back before you overtake gives you a clearer view of oncoming traffic and any hazards past the lorry.

Highway Code rule 222

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Before overtaking a long, slow lorry, why is it helpful to drop back a little first?

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