All 50 states Rules of the Road

Which of the following is true about using turn signals?

By DMV Master Editorial Team Updated
A

You must signal before changing lanes on a highway

B

You should signal at least 100 feet before turning in a residential area

C

Turn signals must be used even when no other vehicles appear to be present

D

All of the above

Correct answer

Detailed Explanation

All three statements are correct. Turn signals must always be used before turning or changing lanes — regardless of whether other vehicles are visible.

Source: US DMV standard (applies in all states)

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