"Yn strategol, y gyffordd hon yw'r prif gyswllt rhwng yr M4 â'r brif ardal cyflogaeth yng ngorllewin Casnewydd. Mae hefyd yn darparu cyswllt gogledd-de rhwng dwyrain y Cymoedd a gorllewin Casnewydd.
“Strategically, this junction is the principal link between the M4 and the major employment area of west Newport. It also provides a north-south link between the eastern South Wales Valleys and west Newport.