Currently there is a clearway Order along the trunk road, the A487 trunk road (Port Dinorwic by-Pass, Gwynedd) Order 1994 (S.I. 1994/795).
Ar hyn o bryd mae Gorchymyn clirffordd ar hyd y gefnffordd, sef Gorchymyn cefnffordd yr A487 (Ffordd Osgoi’r Felinheli, Gwynedd) 1994 (O.S. 1994/795).