Over a decade ago, I wrote about the suggestion by my older son, David Ricardo Palmer,
One of his ideas... involves rumble strips.
Many secondary roads in the country-side of this area have rumble stripspreceding stop signs. They make an intermittent noise as you drive over them and alert you that there is a stop sign coming up very soon. ...
[M]y son's idea is that the grooves in the pavement should be spaced so they play "O Canada" as cars drive over them at the proper speed.
Well, whaddya know! I think he should earn some royalties: