TRAFFIC SIGNALS

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:

Red light illuminated

Slow down and bring the vehicle to complete stop. The front end of the vehicle must be directly behind the stop line painted on the road.

Yellow (Amber)light illuminated

Slow down and bring the vehicle to complete stop. The front end of the vehicle must be directly behind the traffic line painted on the road.

Green light illuminated

You may proceed (if it is safe) you may carry on driving. At the robots be on the lookout for pedestrians and vehicles.

Yellow arrow illuminated

Stop your vehicle behind the stop line if you intend turning in the direction indicated by the arrow. 
Proceed only when the green arrow flashers.

Red arrow flashing

Flashing red arrow to the left - After stopping, the driver may turn if there is no traffic. Remember to yield to pedestrian traffic and oncoming traffic that wants to turn right, and traffic from the right passing through the intersection..

Green arrow flashing/Constant

Flashing green arrows - Right of way in the direction of the flashing arrow.
Constant green arrow - Shows the direction in which traffic must go, for example one-way streets.