Nod yr opsiynau sy'n cael eu datblygu yw gwella diogelwch a chydnerthedd, a gwneud amseroedd teithio'n fwy dibynadwy ar yr A483, yn ogystal â chreu cysylltiadau gwell ar hyd y llwybr a lleihau damweiniau a thagfeydd.
The options which are being developed aim to improve safety, resilience and journey time reliability on the A483, provide better east-west connectivity across the route and reduce incidents and delays.