queues and delays on the A487, particularly at Eagles Junction, St David's and Morrisons roundabouts in Caernarfon, and at Plas Bereton.
ciwiau ac oedi ar yr A487, yn enwedig ar Gyffordd yr Eagles, cylchfannau Dewi Sant a Morrisons yng Nghaenarfon, ac ar Blas Bereton.