Question When entering traffic from a private driveway: Answers You must yield to vehicles already on the main road. You have the right-of-way over other traffic. Enter only if there is a traffic light. Have someone stop the traffic on the road you’re entering. Explanation Drivers entering a road from a driveway, alley, parking lot, or roadside must yield to vehicles already on the main road. Take a FREE Practice Test Now This questions appears in the following tests: Washington Practice Test