The M4 motorway (junction 34 (Llantrisant), Rhondda Cynon Taf to junction 49 (Pont Abraham), Carmarthenshire) (temporary speed limits) Order 2023
Gorchymyn traffordd yr M4 (cyffordd 34 (Llantrisant), Rhondda Cynon Taf i gyffordd 49 (Pont Abraham), sir Gaerfyrddin) (terfynau cyflymder dros dro) 2025