“Mae Llywodraeth Prydain eisoes wedi nodi eu bod am weld prosiect yr M4 yn dechrau cyn gynted â phosib, felly mae’n siom fawr inni fod yr Adran Drafnidiaeth wedi dewis cysylltu â ni dim ond tri diwrnod cyn i’r newidiadau hyn i’r rhagolygon traffig ddod i rym, gan ein gorfodi,  yn anffodus, i oedi cyn dechrau yr ymchwiliad cyhoeddus.
“The UK Government has already expressed its desire to see work on the M4 Project start as soon as possible, so it is hugely disappointing that the Department for Transport chose only to engage with us on these amendments to their traffic forecasting three days before they were introduced forcing this regrettable delay to the start date of the public inquiry.