We want your views on proposed changes to how infrastructure development in Wales is approved following new powers given to the Welsh Ministers under the Wales Act 2017.
Hoffem glywed eich barn ynghylch newidiadau arfaethedig i'r modd y caiff gwaith datblygu'r seilwaith ei gymeradwyo, a hynny yn dilyn rhoi pwerau newydd i Weinidogion Cymru o dan Ddeddf Cymru 2017.