Question What does this road sign mean? Answers Winding road Loose gravel Slippery when wet Explanation This sign indicates that the road may be slippery when wet. Exercise caution when driving on a slippery road. Take a FREE Practice Test Now This questions appears in the following tests: Illinois Practice Test Arizona Practice Test Arkansas Practice Test Georgia Practice Test Tennessee Practice Test Oklahoma Practice Test Alabama Practice Test Kansas Practice Test South Dakota Practice Test Wyoming Practice Test Kentucky Practice Test Delaware Practice Test Wisconsin Practice Test California Practice Test Maryland Practice Test Connecticut Practice Test Maine Practice Test Mississippi Practice Test South Carolina Practice Test New Mexico Practice Test Iowa Practice Test Rhode Island Practice Test