The M4 Motorway (West of Junction 12) (Temporary Restriction of Traffic) Order 2010
2010年M4高速公路（第12路口以西）（临时限制交通）令

The M4 Motorway (Westbound between Junction 23a (Magor), Monmouthshire and Junction 33 (Cardiff West), Cardiff) and A48(M) Motorway (Westbound) (Temporary 50 mph Speed Limit) Order 2017
《2017令》第M4号高速公路（西行 介乎蒙茅斯郡23a号交叉口（马戈尔）与加的夫市33号交叉口（加的夫西）及A48号（米）高速公路（西行）（临时限速50英里）