Wear and tear on tracks

So I was sitting and thinking when building my coaster. the track is already worn. how about having the tracks look brand new but after being used over time they slowly wear down. i'm not sure if it's possible for a texture feature like this but when management comes in you can pay for the rides to be maintained and repainted. just an idea but I thought it was interesting. this could apply to the coasters too.
 
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