This sign is used to prevent: Question This sign is used to prevent: Answers Entrance to full parking lots. Entrance to road construction areas. Entrance to dead-end streets. Entrances from the wrong direction on one-way streets and expressway ramps. Explanation This sign warns that a road has one-way traffic and you must not enter from your current direction. This questions appears in the following tests: Alaska Motorcycle Practice Test 51 Arizona Motorcycle Practice Test 40 Arkansas Motorcycle Practice Test 183 Colorado Motorcycle Practice Test 29 Connecticut Motorcycle Practice Test 137 District Of Columbia Motorcycle Practice Test 29 Hawaii Motorcycle Practice Test 65 Idaho Motorcycle Practice Test 158 Illinois Motorcycle Practice Test 66 Indiana Motorcycle Practice Test 114 Iowa Motorcycle Practice Test 103 Kentucky Motorcycle Practice Test 60 Louisiana Motorcycle Practice Test 63 Maine Motorcycle Practice Test 28 Maryland Motorcycle Practice Test 98 Massachusetts Motorcycle Practice Test 13 Michigan Motorcycle Practice Test 12 Minnesota Motorcycle Practice Test 87 Mississippi Motorcycle Practice Test 123 Missouri Motorcycle Practice Test 118 Montana Motorcycle Practice Test 87 Nebraska Motorcycle Practice Test 34 Nevada Motorcycle Practice Test 11 New Hampshire Motorcycle Practice Test 81 New Jersey Motorcycle Practice Test 25 New Mexico Motorcycle Practice Test 140 New York Motorcycle Practice Test 75 North Carolina Motorcycle Practice Test 49 North Dakota Motorcycle Practice Test 8 Ohio Motorcycle Practice Test 138 Oklahoma Motorcycle Practice Test 88 Oregon Motorcycle Practice Test 72 Pennsylvania Motorcycle Practice Test 29 Rhode Island Motorcycle Practice Test 67 South Carolina Motorcycle Practice Test 138 Texas Motorcycle Practice Test 131 Utah Motorcycle Practice Test 115 Vermont Motorcycle Practice Test 103 Washington Motorcycle Practice Test 52 West Virginia Motorcycle Practice Test 56 Wisconsin Motorcycle Practice Test 220 Wyoming Motorcycle Practice Test 188