did-you-kno: There are speed bumps that reward you for slowing down. Designers created a speed bump that flattens for those who drive over it slowly, but people who go too fast will still get a jolt. Source
did-you-kno: There are speed bumps that reward you for slowing down. Designers created a speed bump that flattens for those who drive over it slowly, but people who go too fast will still get a jolt. Source
