Question This sign means: Answers Stop sign ahead. Railroad crossing ahead. Construction ahead. Explanation A round sign always indicates that you are approaching a railroad crossing. This questions appears in the following tests: Alabama Motorcycle Practice Test 56 Arkansas Motorcycle Practice Test 24 California Motorcycle Practice Test 92 Delaware Motorcycle Practice Test 87 Georgia Motorcycle Practice Test 91 Idaho Motorcycle Practice Test 146 Illinois Motorcycle Practice Test 104 Kansas Motorcycle Practice Test 4 Nebraska Motorcycle Practice Test 185 Ohio Motorcycle Practice Test 20 South Carolina Motorcycle Practice Test 141 South Dakota Motorcycle Practice Test 99 Tennessee Motorcycle Practice Test 56 Virginia Motorcycle Practice Test 55 Wisconsin Motorcycle Practice Test 55 Wyoming Motorcycle Practice Test 77