the potential for the access needs of the site to be met by a smaller access road, or a non-road option, has not been sufficiently considered
nid oes digon o ystyriaeth wedi'i rhoi i'r posibilrwydd y gallai anghenion mynediad y safle gael eu diwallu gan ffordd fynediad lai o faint, neu opsiwn nad yw'n ymwneud â ffordd