Question This sign means: Answers Don't drink if you are going to drive. Slippery when wet. Road curves ahead. You are approaching a hill. Explanation This sign warns that the road is slippery when wet. Take a FREE Practice Test Now This questions appears in the following tests: Indiana Practice Test New York Practice Test New Mexico Practice Test Arkansas Practice Test Oregon Practice Test Louisiana Practice Test Nevada Practice Test Maryland Practice Test Montana Practice Test Maine Practice Test Michigan Practice Test New Jersey Practice Test Missouri Practice Test Massachusetts Practice Test West Virginia Practice Test Kentucky Practice Test Wisconsin Practice Test Minnesota Practice Test Iowa Practice Test Connecticut Practice Test Mississippi Practice Test