It give handicapped people easy access to get to places when they are in a school and need to get to class they go up the ramp instead of going up the stairs. the wheels on cars and wheelchairs are meant to be on flat surfaces like ramps and cars on roads and bridges they go up ramps on construction sites and hills its like going up a ramp. We need ramps for lots of reasons they help people in there everyday lives.
A ramp is really only useful on wheels going down depending on the incline. But it's main use is to help get thing up and down smoothly rather than using bumpy stairs.
