Mae Ken Skates, y Gweinidog Trafnidiaeth, wedi cyhoeddi y bydd Balfour Beatty a Jones Bros o Ruthun yn mynd ati ar y cyd i adeiladu ffordd osgoi Caernarfon a Bontnewydd.
Balfour Beatty and Ruthin-based Jones Bros, in a 50:50 joint venture, will construct the Caernarfon and Bontnewydd bypass, Transport Minister Ken Skates has announced.