This sign means: Question This sign means: Answers Upcoming downgrade or hill. Road construction area. Upcoming narrowing of roadway. Explanation This sign warns of a dangerous downgrade or hill ahead. The hill may be very long or steep, or it may have sharp curves. This questions appears in the following tests: Alabama Motorcycle Practice Test 111 Arkansas Motorcycle Practice Test 30 California Motorcycle Practice Test 60 Delaware Motorcycle Practice Test 78 Georgia Motorcycle Practice Test 106 Idaho Motorcycle Practice Test 209 Illinois Motorcycle Practice Test 189 Kansas Motorcycle Practice Test 66 Nebraska Motorcycle Practice Test 57 Ohio Motorcycle Practice Test 171 South Carolina Motorcycle Practice Test 32 South Dakota Motorcycle Practice Test 63 Tennessee Motorcycle Practice Test 32 Virginia Motorcycle Practice Test 72 Wisconsin Motorcycle Practice Test 156 Wyoming Motorcycle Practice Test 15