As a statutory appraisal process, it has tested the priorities and outcomes of Llwybr Newydd the Wales Transport Strategy in terms of sustainability and Welsh Government legislation and policy.
Fel proses werthuso statudol, mae wedi profi blaenoriaethau a chanlyniadau Llwybr Newydd: Strategaeth Drafnidiaeth Cymru o ran cynaliadwyedd a deddfwriaeth a pholisi Llywodraeth Cymru.