“Whilst such work will always be necessary, it’s clear that improvements to the current M4 alone will not resolve the wider, long term issues surrounding the congestion on the M4 around Newport.
Er bod hyn i’w groesawu wrth gwrs, bydd y traffig ar yr M4 o gwmpas Casnewydd yn dal yn rhy drwm, gan greu problemau difrifol sy’n gwaethygu.