While rumble strips might never have woken we from a doze behind a wheel, they’ve saved large lives over a years. Late-night drives can be exhausting, generally for truckers who run on parsimonious schedules and deadlines.
But these engineers weren’t confident with that revealing rumbling sound. They wanted those grooves to emanate pleasing music, so they designed opposite templates to do usually that. Check it out in a video below.
Since 2007, engineers in several countries have adopted this overwhelming technique to make beautiful highway song all over a world. They usually work if drivers are going a certain speed, that gives a bit of inducement when it comes to obeying a speed limit.