Swedish designed speed bumps are effective Swedish designed speed bumps are being installed in Sweden and they are very effective. Facebook Prev Article Next Article Cars Checkout these cool gadgets... Related Posts Why 2017 is the Fastest Year in Formula 1 History Elon Musk Swaps a Tesla battery in 90sec Uber starts self-driving car pickups in Pittsburgh Truck Powered By 3 Jet Engines New Experimental Emergency Brake for Cars Haizea Concept Car