These collisions on 20 and 30mph road speed limits (combined), resulted in 1,751 casualties, the lowest figure recorded since records began.
Arweiniodd y gwrthdrawiadau hyn, lle roedd terfynau cyflymder o 20 a 30mya (wedi'u cyfuno), at 1,751 o farwolaethau ac anafiadau, sef y ffigur isaf ers i gofnodion ddechrau.