Route 66 rumble strip that plays America the Beautiful when driven on at exactly 45 mph.
Previously:
Estonian ice road and resonance wave destruction - video and photo
Self-driving road marking machine - GIF
Self cleaning street - photo
Road shoulder grader - video
Thermoplastic road marking

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Where do you find these things?? It is this type of "is he kidding or is he serious" posts that drag me back each day to see what you and others have dredged up for the day!
robably woke the dead. Funny it wasn't the exhaust brakes that made us jump & some were courteous not to use them.. Maybe the animal cries were from their knowing where they were going...the abattoir.


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