The Order will temporarily prohibit traffic on a length of the A470 near Moat Lane level crossing, Caersws and the A458 at Buttington level crossing.
Bydd y Gorchymyn yn gwahardd traffig dros dro ar ddarn o’r A470 ger groesfan reilffordd Moat Lane, Caersŵs a’r A458 wrth groesfan reilffordd Tal-y-bont.