Why does newly paved asphalt sound so much quieter when driving over it?
In: Engineering
When new pavement is put down, the paving machine smooths it out with a roller. Freshly paved roads have a very smooth surface with no bumps or irregularities. That’s why there’s less road noise. The noise is caused by your wheels hitting things on the road surface. Over time, the asphalt surface will start to wear out in places, or settle in places, and you’ll start hearing more road noise.
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