The M4 Motorway (Junction 41, Pentyla, to Junction 42, Earlswood, Neath Port Talbot) (Temporary Prohibition of Vehicles) Order 2012
2012年M4高速公路（41号路口 Pentyla 至42号路口 Earlswood Neath Port Talbot）（临时禁止车辆）令

The M4 Motorway (Junction 38 (Margam) to Junction 41 (Pentyla), Neath Port Talbot) (Temporary Prohibition of Vehicles) Order 2014
2014年M4高速公路（塔尔博特港下38号路口（Margam）至41号路口（Pentyla）（临时禁止车辆通行）令

The M4 Motorway (Westbound Entry Slip Road, Junction 41 (Pentyla), Neath Port Talbot) Experimental Traffic Order 2014
2014年M4高速公路（塔尔博特港下41号交叉口（Pentyla）西行入口滑车道）实验交通令

The M4 Motorway (Junction 42 (Earlswood), Neath Port Talbot) (Temporary Prohibition of Vehicles & Trafficking of Hard Shoulders) Order 2011
2011年M4高速公路（塔尔博特港下42号路口（厄尔斯伍德）（临时禁止车辆和运输硬路肩）令

The M4 Motorway (Junction 42, Earlswood Interchange to Junction 43, Llandarcy Interchange) and the A48 Trunk Road (Earlswood Interchange to Sunnycroft Roundabout), Neath Port Talbot (Temporary Prohibition of Vehicles) Order 2014
2014年塔尔博特港（临时禁止车辆）下M4高速公路（42号交叉口 厄尔斯伍德立交桥至43号交叉口 兰达西立交桥）和A48干道（厄尔斯伍德立交桥至桑尼克罗夫特环形交叉口）

The M4 Motorway (Junction 42 (Earlswood) to Junction 43 (Llandarcy), Neath Port Talbot) & The A465 Trunk Road (Llandarcy, Neath Port Talbot to Hirwaun, Rhondda Cynon Taf) (Temporary Prohibition of Vehicles) Order 2015
2015年M4高速公路（42号交叉口（厄尔斯伍德）至43号交叉口（兰达西） 塔尔博特港下）和A465干道（兰达西 塔尔博特港下至希尔瓦恩 朗达赛农塔夫）（临时禁止车辆）令

The M4 Motorway (Junction 42, Earlswood, Neath Port Talbot to West of Junction 44, Lonlas, Swansea) (Temporary 50 MPH Speed Limit, Prohibitions and Trafficking of Hard Shoulder) Order 2015
2015年M4高速公路（42号交叉口 厄尔斯伍德 塔尔博特港下至44号交叉口以西 朗拉斯 斯旺西）（临时限速50英里\/小时 禁止和贩运硬路肩）法令

The M4 Motorway & A48 Trunk Road (Earlswood Junction to Briton Ferry Roundabout, Neath Port Talbot) (Temporary Traffic Prohibitions & Restriction) Order 2016
《M4高速公路及A48干道（厄尔斯伍德路口至英国渡轮环岛 塔尔博特港东北部）（临时交通禁止及限制）令2016》

The M4 Motorway & A48 Trunk Road (Earlswood Junction to Briton Ferry Roundabout, Neath Port Talbot) (Temporary 50 mph Speed Limit) Order 2014
M4高速公路和A48干道（厄尔斯伍德交叉口至英国渡轮环岛 塔尔博特港下）（临时限速50英里\/小时）2014年法令

The M4 Motorway (Junction 41, Westbound Exit Slip Road, Sunnycroft Roundabout, Baglan, Neath Port Talbot) (50 MPH Speed Limit) Regulations 2010
M4高速公路（连接41 西行出口滑道 SunyCurft环岛 Baglan 塔尔波特港）（50英里每小时限速）条例2010