A musical road is section of a road in which slots designed and placed for a particular tune when driven over it causes a tactile vibration and audible rumbling that can be felt through the wheels and body of the vehicle. This rumbling can be heard in the form of musical tune from inside the car as well as from outside.

Credits,

Image by Engin Akyurt from Pixabay

(Image for Illustrative purpose only. Not a original musical road)