|Where:||Where traffic density can be better controlled by traffic lights at intersections, junctions, pedestrian crossings, etc.|
|Purpose:||To regulate traffic coming from different directions.|
|Action:||These lights must be obeyed at all times in the following manner:
|Name:||Overhead lane direction control|
|Purpose:||Steady green downward pointing arrow (S16) – Indicates to the driver that he/she may drive in the lane over which the arrow is displayed
Steady red cross(S17) – Indicates to a driver that he/she shall not drive in the lane over which the cross is displayed. Lane might be open to vehicles travelling in the opposite direction.
Yellow arrow left (S18) and right (S19) – Indicates to the driver that the lane he/she is driving in is closed ahead. The driver must leave the lane in the direction of the arrow.