Motorway drivers in Wales face disruption on the M4 from Sunday evening as eight separate works get under way. The programme covers clearance work, carriageway maintenance, electrical work, structural inspections and road resurfacing.
The affected areas are Magor, Cardiff Gate, Groes, Ynysforgan, Penllergaer, Tredegar Park, Hendy and Pentyla/Baglan. Traffic Wales has published the details of the closures and diversions.
Westbound closures and diversions
Clearance work will close the exit slip road at junction 23A Magor on the M4 westbound, with a diversion in place, from November 8 until November 13 between 8pm and 6am.
Carriageway maintenance will close the entry slip road at junction 30 Cardiff Gate on the M4 westbound, with a diversion in place, from November 9 to November 14 from 8pm until 6am. Clearance work will also close the entry slip road at junction 39 Groes on the M4 westbound, with a diversion in place, from November 9 until November 14 between 8pm and 6am.
Electrical work will close the entry slip road at junction 45 Ynysforgan on the M4 westbound, with a diversion in place, from November 9 until November 10 from 8pm until 6am. Resurfacing work will close the exit slip road at junction 47 Penllergaer on the M4 westbound, with a diversion in place, from November 12 to November 13 from 8pm until 1am.
Eastbound and both directions
Structural inspections will close the bridge on the M4 eastbound from junction 28 Tredegar Park to junction 26 Malpas, with a diversion in place, from November 9 until November 14 from 8pm until 6am. Resurfacing work will close the exit slip road at junction 48 Hendy on the M4 eastbound, with a diversion in place, from November 11 to November 12 from 8pm until 1am.
Cyclic maintenance will affect the M4 in both directions at junction 41 Pentyla/Baglan to junction 39 Groes, closing the exit and entry slip roads. A diversion will be in place from November 11 to November 13 from 8pm until midnight.
