extending the temporary road from Tramway to a new temporary roundabout to be located to the west of the current layout at the Hirwaun (Trewaun) junction.
ymestyn y ffordd dros-dro o Dramffordd i gylchfan dros-dro newydd i'w lleoli i'r gorllewin o'r cynllun presennol ar gyffordd Hirwaun (Trewaun).