Sefydlwyd Comisiwn Seilwaith Cenedlaethol Cymru yn 2018 fel corff anstatudol i gynghori a gwneud argymhellion i Weinidogion Cymru ar seilwaith economaidd ac amgylcheddol dros y pum mlynedd i ddeng mlynedd ar hugain nesaf. Ein prif amcan yw rhoi’r cyfle i bawb yng Nghymru gael gwella eu llesiant cymdeithasol, economaidd, amgylcheddol a diwylliannol trwy argymell seilwaith i greu economi deinamig a chydnerth The National Infrastructure Commission for Wales was established in 2018 as a non-statutory body to advise and make recommendations to Welsh Ministers on economic and environmental infrastructure over the next five to thirty years. Our primary objective is to give everyone in Wales the opportunity to improve their social, economic, environmental and cultural well-being by recommending infrastructure to build a dynamic and resilient economy.