How do rumble strips make noise?

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asked Feb 11 in Other-Cars/Transportation by 44fred (320 points)
How do rumble strips make noise?

1 Answer

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answered Feb 11 by kipksakik (500 points)
The way that rumble strips make noise for the vehicle driving over them is because the tires on the vehicle drops roughly into the groove of the rumble strips.

Then as the tires roll over the rumble strips the rumble strips cause vibration and then the noise with the tires and they are meant to alert drivers that they are going off the road.

They did work for me one evening when I was driving on a road trip and I started to drift off to sleep and went over those rumble strips and I felt the vibration in the steering wheel as well as heard the noise which woke me up and I was able to pull off to the side of the road safely.

Then I drove easily and slower for about 5 more miles until I reached a town and found a motel to sleep.

So for some people those rumble strips work and save lives and it certainly did for me.

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