On the lanes of the traffic area, the direction of traffic on which can be reversed.✓پاسخ درست
Only on the lanes intended for the movement of public vehicles.
توضیح
The X-shaped prohibiting indication and the green downward arrow are lane-control signals for lanes whose travel direction can be reversed. Each signal governs the lane over which it is installed, so it neither controls the entire roadway nor serves only public-transport lanes.