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by harywilke 769 days ago
There are efforts to attack the car tyre noise problem by grinding groves into the surface of the road. it's called "Next Generation Concrete Surface" I remember hearing about it on the "Twenty Thousand Hertz" podcast [0] [0] https://www.20k.org/episodes/sonicutopia
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We had grooved concrete here some decades ago. Luckily they got rid of those as the noise was much worse than normal surfaces.