Missouri · Defensive Driving
You may overtake and pass another vehicle on the right when the vehicle ahead is:
- Turning right
- Speeding
- Making or about to make a left turn
- Parked
Correct answer
Making or about to make a left turn
Why this is correct
Correct answer: Making or about to make a left turn. Source: Missouri Driver Guide, page 22. Topic: Passing.
Missouri Driver Handbook, p. 22

