Mae pobl wedi bod yn gyrru'n beryglus ac yn rhy gyflym ar hyd y ffordd, a nod y cynllun hwn, dan arweiniad Cyngor Sir Dinbych a Chyngor Bwrdeistref Sirol Conwy, yw mynd i'r afael â'r broblem.
Incidents of dangerous driving involving excessive speed have taken place on the route and this plan of action, which is jointly led by Denbighshire County Council and Conwy County Borough Council, aims to tackle such occurrences.