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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Anonymous 0 Comments

Rub your hand along the outer part of your tire sometimes. You hand will be coated. Part of that will be dirt but a lot of it will also be rubber. It’s just really small.

Look up a formula 1 race sometime. Specifically the concept of a track being “rubbered in” and you’ll see what it looks like on a larger scale. A similar thing is happening to our tires but on a much smaller scale so it’s not as noticeable.

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