This sign indicates: Question This sign indicates: Answers The distance from road surface to a bridge or overpass. The maximum legal height of a vehicle allowed in this state. The maximum width of a vehicle allowed on the highway. Explanation This is a low clearance warning sign. It indicates the distance from the road surface to the bottom of a bridge or overpass (in this case, 12 feet, 6 inches). This questions appears in the following tests: Alabama Motorcycle Practice Test 69 Arkansas Motorcycle Practice Test 154 California Motorcycle Practice Test 110 Delaware Motorcycle Practice Test 92 Georgia Motorcycle Practice Test 27 Idaho Motorcycle Practice Test 160 Illinois Motorcycle Practice Test 109 Kansas Motorcycle Practice Test 45 Nebraska Motorcycle Practice Test 17 Ohio Motorcycle Practice Test 2 South Carolina Motorcycle Practice Test 100 South Dakota Motorcycle Practice Test 67 Tennessee Motorcycle Practice Test 34 Virginia Motorcycle Practice Test 79 Wisconsin Motorcycle Practice Test 10 Wyoming Motorcycle Practice Test 156