Mae Comisiwn Trafnidiaeth y De-ddwyrain wedi cyhoeddi adroddiad heddiw am ei waith hyd yma gan argymell nifer o fesurau 'cyflym' ar gyfer lleihau tagfeydd ar yr M4.
The South East Wales Transport Commission has today published a report, providing an update on its work and recommending a small number of ‘fast-track’ measures for easing congestion on the M4.