Hazard awareness

You feel tired on a long drive. Why is this dangerous?

Tiredness makes your reactions faster
Tiredness only affects night driving
Tiredness slows your reactions, so you need to rest
Correct
Opening the window fully cures tiredness

Why?

Rule 91 of The Highway Code says driving when tired greatly increases your risk because it slows your reactions. Plan rest stops on a long journey and, if you feel sleepy, stop in a safe place — fresh air or the radio is not a lasting cure.

Highway Code rule 91

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