M4 and other major roads affected by closures on Sunday, March 8 | Wales Online
Need to know
It is the second day of a major closure on the M48 Severn Bridge
The M48 Severn Bridge is one of a number major roads affected by closures on Sunday, March 8(Image: John Myers)
A number of major road closures are in place in Wales today, Sunday, March 8. Drivers are being advised to plan journeys carefully, allow extra time, and check local diversion routes. For a second day, there is a major closure on the M48 Severn Bridge to allow roadworks to be completed, with delays expected in the area. Other routes have temporary traffic lights or have been shut completely for work to be carried out. Here are all the road closures you need to know about:
M48 Severn Bridge Westbound closed: Delays expected due to weekend roadworks until the early hours of Monday morning between J1 A403 (Aust) and J2 A466 Wye Valley Link Road (Chepstow). Diversion – M4 Prince of Wales Bridge.
M4 Bridgend One lane closed due to roadworks on M4 Westbound from J36 A4061 (Bridgend / Sarn Service Area) to J37 A4229 (Pyle / Porthcawl). Until March 12.
A55 Flintshire A55 Eastbound closed due to roadworks from J34 A494 (Ewloe) to J35 A550 (Dobbs Hill). Between 10.38am and 11.59pm on Saturdays and Sundays until March 21.
A484 Cwmduad, Carmarthenshire A484 in both directions closed due to roadworks between Heol Y Bwt and the Cwmpengraig turn off. Until March 16. Diversion – During the closure, a fully signed diversion route will be in operation. The diversion for southbound traffic will be via the A484 to Saron, A486 to Pontwelly Roundabout, B4336 to Llanllwni, A485 to Carmarthen, A485 to Francis Well Roundabout, and then th.
M48 Severn Bridge Monmouthshire Temporary gross weight limit of 7.5 tonnes due to bridge maintenance work on M48 Severn Bridge in both directions between J2 A466 Wye Valley Link Road (Chepstow) and J1 A403 (Aust).
A5 Froncysyllte, Wrexham Temporary traffic lights due to roadworks on A5 around B5434 Gate Road. Expect delays. Until March 13.
A40 Brecon Road Abergavenny, Monmouthshire Temporary traffic lights due to gas main work on A40 Brecon Road near Union Road West. Expect delays. Until May 13.
A472 Monkswood, Monmouthshire Temporary traffic lights due to roadworks on A472 near Cefn Mawr Lane. Expect delays. Until March 13
A483 Fabian Way, Swansea One lane closed due to roadworks on A483 Fabian Way Eastbound from Port of Swansea (Port Tennant) to B4290 (Jersey Marine roundabout, Jersey Marine). Until March 31
A40 St Clears, Carmarthenshire Temporary traffic lights due to roadworks on A40 around the Pont Y Fenni turn off. Expect delays.
A4067 Mumbles Road, Swansea Lane closed due to long-term roadworks on A4067 Mumbles Road around A4216 Sketty Lane. Expect delays. Until April 7.
A4051 Malpas Road, Newport Temporary traffic lights due to gas main work on A4051 Malpas Road near Goodrich Crescent. Expect delays. Until June 4.
A4216 Cockett Road, Swansea Temporary traffic lights due to electricity work on A4216 Cockett Road at Townhill Road. Expect delays. Until October 1
B4582 Nevern, Pembrokeshire is closed in both directions due to landslip from the A487 to the Moylgrove turn off.
A48 Nantycaws, Carmarthenshire One lane closed due to telecoms work on The A48 Eastbound near Heol Llangynnwr (Nantycaws Junction). Expect delays. Between 9.30am and 3.30pm Mondays to Sundays until April 21.
A4119 Tonyrefail, Rhondda Cynon Taff One lane closed due to electricity work on The A4119 in both directions from Ely Valley Road (CoedEly Roundabout) to the A4093. Expect delays. Between 9.30am and 3.30pm Mondays to Sundays until March 31.
B4393 Alltforgan, Powys The B4393 in both directions closed due to long-term roadworks between Ffridd Wydd-afon (Alltforgan) and Llanwddyn (Llanwddyn). Until April 3
A487, Tre’r ddol, Ceredigion Temporary traffic lights due to roadworks on The A487 between Tre’r ddol (Tre-R-Ddol) and Furnace (Furnace). Expect delays. Until March 31
A5 Bangor Road Tregarth, Gwynedd Temporarytraffic lights due to roadworks on A5 Bangor Road near Llwyn Bleddyn Road. Until March 13.
A44 Llanbadarn Road Aberystwyth, Ceredigion Temporary traffic lights due to roadworks on A44 Llanbadarn Road near St David’s Road. Until March 20
A5 Capel Curig, Conwy Convoy system and roadworks on A5 near the Caernarfon turn off. Until March 31.
A470 Cwmbach Llechrhyd, Powys Temporary traffic lights due to roadworks on A470 near Builth Road. Until March 31.
A484 Llanelli, Camarthenshire Temporary traffic lights due to roadworks on A484 around A4214 Stepney Place. Until March 27.
A484 Sandy Road Llanelli, Carmarthenshire Temporary traffic lights due to roadworks on A484 Sandy Road at Sandy Bridge Roundabout. On the roundabout. Until March 27
A477 Neyland, Pembrokeshire Temporary traffic lights due to roadworks on A477 in both directions from Honeyborough Roundabout to Trinity Terrace. Until April 17.
A470 Betws-Y-Coed, Conwy Temporary traffic lights due to long-term roadworks on A470 near Zip World. Until September.
A4161 Castle Street, Cardiff Lane closed due to roadworks on A4161 Castle Street around High Street. Until April 1
A4080 Newborough, Isle of Anglesey Temporary traffic lights due to water main work on A4080 around Stad Ty Gwyn.
