The A55 Trunk Road (junction 12 (Talybont) to junction 13 (Abergwyngregyn), Gwynedd) (closure of central reservation crossings) Order 2020: plan, file type: PDF, file size: 609 KB
Gorchymun Cefnffordd yr A55 (cyffordd 12 (Tal-y-Bont) i gyffordd 13 (Abergwyngregyn), Gwynedd) (cau croesfannau'r llain ganol) 2020: cynllun, math o ffeil: PDF, maint ffeil: 609 KB