Lanes and directions of traffic
If there is a sign placed above each lane separately, signs beginning with 53 indicate the direction of traffic to be followed in the given lane. If a sign beginning with 53 indicates a left turn to be made from the leftmost lane, it is also permitted to make a U-turn from this lane. The background of signs beginning with 53 placed outside built-up areas is blue with white arrows and border. Sign 534s indicates to the directions of traffic in the lane above which it is placed