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. This questions appears in the following tests: Alabama Practice Test 5 Alabama Practice Test 18 Arizona Practice Test 3 Arizona Practice Test 20 Arkansas Practice Test 4 Connecticut Practice Test 13 Delaware Practice Test 11 Delaware Practice Test 22 Georgia Practice Test 4 Georgia Practice Test 9 Illinois Practice Test 1 Illinois Practice Test 11 Iowa Practice Test 20 Kansas Practice Test 5 Kentucky Practice Test 10 Maine Practice Test 14 Maryland Practice Test 13 Mississippi Practice Test 15 New Mexico Practice Test 17 Oklahoma Practice Test 4 Rhode Island Practice Test 23 South Carolina Practice Test 16 South Dakota Practice Test 5 Tennessee Practice Test 4 Wisconsin Practice Test 11 Wyoming Practice Test 10 Wyoming Practice Test 20 California Practice Test 12 California Practice Test 21