Question This yellow signs means: Answers The road ahead has many curves. There is a sharp curve in the road ahead. The road ahead may be slippery. Explanation This sign indicates that the road ahead may be slippery when wet. Take a FREE Practice Test Now This questions appears in the following tests: Kentucky Practice Test South Dakota Practice Test Georgia Practice Test Delaware Practice Test Nebraska Practice Test California Practice Test Arizona Practice Test Tennessee Practice Test Illinois Practice Test Arkansas Practice Test Alabama Practice Test Wyoming Practice Test New Mexico Practice Test Wisconsin Practice Test Kansas Practice Test Iowa Practice Test Connecticut Practice Test Maine Practice Test Mississippi Practice Test Rhode Island Practice Test