Question This road sign means: Answers Road construction ahead. The road ahead curves left, then right. The road ahead curves right, then left. Steep grade ahead. Explanation This sign indicates that the road ahead curves to the right and then to the left. You should slow down to be able to negotiate these curves safely. Take a FREE Practice Test Now This questions appears in the following tests: Kentucky Practice Test Michigan Practice Test Alaska Practice Test New Mexico Practice Test South Carolina Practice Test Louisiana Practice Test New Jersey Practice Test Arizona Practice Test Nevada Practice Test Rhode Island Practice Test Maine Practice Test Minnesota Practice Test