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. Take a FREE Practice Test Now This questions appears in the following tests: Hawaii Practice Test Maine Practice Test Utah Practice Test New Hampshire Practice Test Nebraska Practice Test Washington Practice Test Iowa Practice Test Mississippi Practice Test Idaho Practice Test Michigan Practice Test South Carolina Practice Test New Jersey Practice Test New Mexico Practice Test Wisconsin Practice Test Indiana Practice Test