Post by willi1 on Sept 3, 2018 17:36:42 GMT
A traffic-related curiosity are road sections that generates a vibration when driving, which in turn is transmitted via the wheels as an audible tone sequence into the vehicle interior. In this way, a musical street can "play" songs. There are different techniques for generating the vibration: either small bumps are placed on the road (such as marker buttons or rumble strips), or grooves are milled into the pavement. The changing distance of the elevations or grooves causes different pitches. The intended melody usually sounds most pleasant at a certain driving speed so the effect can also be used for speed control. However, such road sections were also again removed, as it came to noise pollution.
An example from Japan: In Futami on Okinawa the street plays at about 340 meters the folk song Futami jōwa.