The traffic lights in the intersection are from left to right:
This setting is designed to allow people to see the red light first, which is not easily obscured.
Vertical traffic lights: at the top are red lights, middle yellow lights, and bottom green lights.
the green light is on the side of the road, and the yellow light is in the middle.
Horizontal traffic lights, no matter the left or right of the road: the closest to the middle of the road is the red light
