why the colour of school buses is yellow
School bus yellow The color was chosen because it attracts attention and is noticed quickly in peripheral vision, faster than any other color. Scientists describe this as follows: "Lateral peripheral vision for detecting yellows is 1.24 times greater than for red."[2]
Paris Peace Accords
Traffic light In Australia a white "B" or "T" sometimes replaces the green light indicating that buses or trams (respectively) have right of way.
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