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Cat's eyes on the motorway are actually tiny little reflectors inset into the pavement to reflect the car's headlights back at the driver. They are called that because they reflect light back just the way eyes of real cats do; if a cat is looking at you, and you shine a light at it, the cat's eyes will reflect the light back.

The main thing that cats eyes on the motorway do is provide a clearer indication of where the motorway lines are. The reflection from a cats eye embedded in the road is much more visible than the line painted on the road and can be seen at a much greater distance.

Cats eyes of different colours give the driver lane separation, and early warning of slip roads, hard shoulders, median edge, danger areas etc

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12y ago

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