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Accessible Traffic Lights

On Prince Edwards Island, there is a type of traffic lights you have never seen before. Instead of the standard three lights on top of each other, there are four. Two are squares and then a circle and a triangle in the middle. The reason for these oddly shaped traffic lights? So that the color blind can tell which light is on. The squares are stop, the triangle is slow down, and the circle is go.

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This can mean that Prince Edward's Island has a substantial percentage of the population being colorblind or just that Canadian are kind folk who think about all different types of people.