On highway 85 near Cupertino a few years ago they did something called “microgro... | Hacker News

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		beamatronic on March 15, 2019 \| parent \| context \| favorite \| on: Tesla Model Y On highway 85 near Cupertino a few years ago they did something called “microgrooving” and it made a huge difference in tire noise, even inside your car. It’s dramatically quieter when you suddenly hit that section.

m463 on March 16, 2019 | [–]

What also helps immensely both in noise and road wear is that no trucks are allowed on 85.

They also designed in sound-absorbing walls.

vbuwivbiu on March 16, 2019 | [–]

I couldn't find reference to this technique could you go into more detail please ?

beamatronic on March 16, 2019 | [–]

Here’s a little detail - https://www.mercurynews.com/2015/03/02/roadshow-groovy-highw...

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