Plans have been discussed with partners including Welsh Government, UK Highways A55, NMWTRA, Emergency Services and the local authorities.
Mae cynlluniau wedi’u trafod gyda phartneriaid gan gynnwys Llywodraeth Cymru, UK Highways A55, Asiant Cefnffyrdd Gogledd a Chanolbarth Cymru, y Gwasanaethau Brys a'r awdurdodau lleol.