Sweden's Smart Speed Bumps
Via Core77If you think about it, it's strange that cars are sold that vastly exceed speed limits. The highest speed limit anywhere in America is 85 m.p.h., yet we can freely purchase cars capable of doing double that amount. While governments could mandate that all cars come with speed governors, none are willing to take such a draconian step.
Instead societies devise primitive, external methods to prevent people from speeding. Perhaps the most inefficient is the pursuit-ready policeman who must sit in an idling cruiser, manning a radar gun; that's a waste of both manpower and resources, even if tickets bring in revenue. It would be better if people were simply motivated to not speed in the first place, rather than wasting everyone's time and money with your average pull-over situation.
A Swedish company called Edeva has designed a better anti-speeding system. They designed the Actibump, a sort of smart speed bump:
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http://www.core77.com//posts/55392/Swedens-Smart-Speed-Bumps
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