This sign, at the entrance of road, indicates the priority should be given to oncoming traffic. At narrow section of road where passing is difficult or impossible, traffic is regulated by preferable movement. Such regulation is carried out by giving priority to traffic moving in one direction and not by installing traffic light signals. This sign is set up facing the traffic on the side which does not have priority. The traffic from the side where the sign is erected should move only when there is no oncoming traffic. Do Not Violate Road Safety Signs & Indicators.