Question When you approach an octagonal sign, you must: Answers Slow. Stop. Turn. Explanation An octagonal (eight-sided) sign always means "Stop." Come to a complete stop, yield to traffic and pedestrians that have the right-of-way, and proceed when the way is clear. Take a FREE Practice Test Now This questions appears in the following tests: South Carolina Practice Test Tennessee Practice Test Idaho Practice Test Wisconsin Practice Test Alabama Practice Test Delaware Practice Test Virginia Practice Test