If car tires are always losing rubber as they drive, how come the roads are not coated with rubber?

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I have to replace my tires every 60 000-100 000 KM as the tires wear down and the rubber comes off as I drive. If this is happening with all cars, why arnt the roads coated in rubber? Is somebody cleaning the tire rubber off the road? Is it getting washed away from the rain and into drains/the ocean? How long does it take for rubber to degrade that has come off the tire?

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36 Answers

Anonymous 0 Comments

If you ever go to an oval race, you would know where the rubber goes when it leaves the tire. You’ll have the little black bits stuck in your arm hair, in your drink, and all over your clothes.

Those bits don’t adhere to the road, its more like rubber bits the size of grains of sand. They get thrown off your vehicle at 60mph or so, they’re going to get thrown off the road mostly.

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