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The most common traffic signals in India are the red, yellow, and green lights, which are used to indicate when to stop, slow down, and proceed, respectively. The red light is the most important signal and indicates that a vehicle must come to a complete stop.
The traffic control signal may be vertical or horizontal. The order of lights for a vertical traffic control signal is red at the top, yellow in the centre, and green at the bottom. The order of lights for a horizontal traffic control signal is red on the left, yellow in the centre, and green on the right
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