Horses are large, and by their very nature are powerful creatures and a collision with one poses considerable risk to the horse and rider as well as the motor vehicle and its occupants.
Mae ceffylau'n fawr, maent yn anifeiliaid pwerus wrth natur a byddai gwrthdaro ag un yn peryglu'r ceffyl a'r marchog yn fawr yn ogystal â'r cerbyd a'i deithwyr.