Road bumps/ humps are very important on the road. They should have a top width of at least 15cm height of 12cm and a slope angle of at least 15%. Here are their importance on the road 1.Reduces risks of road accidents 2.maintain and organize traffic flows 3.Avoid traffic jams and saves time 4.Encourage safe driving and protecting lives on the road 5.Self-enforcing road rules 6.Ensuring safety of the pedestrians