This sign means: Question This sign means: Answers Slow down; curving road ahead. Slow down and do not use your brakes. Slow down; slippery when wet. Explanation This sign warns that the road ahead becomes slippery when wet. This questions appears in the following tests: Alabama Motorcycle Practice Test 59 Arkansas Motorcycle Practice Test 148 California Motorcycle Practice Test 111 Delaware Motorcycle Practice Test 50 Georgia Motorcycle Practice Test 107 Idaho Motorcycle Practice Test 5 Illinois Motorcycle Practice Test 185 Kansas Motorcycle Practice Test 30 Nebraska Motorcycle Practice Test 195 Ohio Motorcycle Practice Test 97 South Carolina Motorcycle Practice Test 212 South Dakota Motorcycle Practice Test 36 Tennessee Motorcycle Practice Test 35 Virginia Motorcycle Practice Test 31 Wisconsin Motorcycle Practice Test 205 Wyoming Motorcycle Practice Test 97