The review was defined in broad terms to enable the Panel to consider a wide range of schemes, and set out recommendations on the conditions where building new roads is the right thing to do.
Roedd cylch gwaith yr adolygiad yn un eang er mwyn i’r Panel fedru ystyried ystod eang o gynlluniau, a chyflwyno argymhellion am yr amodau pan mai adeiladu ffyrdd newydd yw'r peth iawn i'w wneud.