Bydd 3.6km o’r A5 ar gau rhwng cylchfannau Halton a Gledrid drwy gydol y gwaith, gyda thraffig yn cael ei ddargyfeirio drwy dref y Waun ar hyd y B5070.
The A5 will be closed over a length of 3.6km between the Halton and Gledrid roundabouts for the duration of the work, with traffic diverted through the town of Chirk along the B5070.