Gentle vertical and horizontal deflections do not put undue wear on a car. This is why it is okay for roads to have things like turns. When cars go around rou

Gentle vertical and horizontal deflections do not put undue wear on a car. This is why it is okay for roads to have things like turns. When cars go around roundabouts, through residential chicanes, or over properly designed speed humps at reasonable speeds, it does not put any more wear on a car than normal road features.