For some strategic development sites, there is potential for cumulative trunk road capacity impacts, especially at Abergavenny, Caldicot and Chepstow.
Ar gyfer rhai safleoedd datblygu strategol, mae potensial ar gyfer effeithiau cronnol ar gapasiti cefnffyrdd, yn enwedig yn y Fenni, Cil-y-coed a Chas-gwent.