Rules of the Road
Why is a 'shoulder check' (turning your head briefly to look over your shoulder) important before changing lanes?
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Correct Answer: B. To see vehicles in the blind spot that the mirrors cannot show
A vehicle's blind spot — the area just behind and to the side of the driver — is not visible in standard mirrors. A quick shoulder check catches vehicles, cyclists or motorcyclists hidden there. Skipping this check is a top cause of sideswipe collisions.
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