15. Routes through Music
What it is: a road or section of road with music playing.
Price range: $25, 000 to $80,000 or more on average.
Singing highways, sometimes referred to as melody roads or musical roadways, provide drivers with an unusual audio experience. A melodic sound is produced when a car’s tires roll over the specifically made rumble strips at the advised speed.

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Musical roadways is an idea that goes beyond simple amusement. Often, the main goal is to encourage safer driving practices. The musical melody will sound off-key or rhythmically incorrect if a vehicle is traveling too fast or too slowly, incentivizing them to stay within the advised speed limit. Japan has demonstrated remarkable innovation in this area, as evidenced by the numerous musical avenues that play both popular and traditional songs.
