Wales Snow & Ice Road Closures: Full List & Travel Advice (January 2024) (2026)

Winter weather in Wales is causing significant travel disruptions, with numerous roads affected by snow, ice, and strong winds. Drivers are urged to exercise extreme caution.

Before you hit the road, here's the latest on which routes are impacted:

  • A542 Horseshoe Pass, Llangollen (Denbighshire): Closed in both directions due to snow between the B5103 Corwen turn-off and the A5104 Wrexham turn-off.
  • A40, Whitland (Carmarthenshire): Just passable in both directions due to snow between the B4328 at Llanboidy Roundabout and the A477 at St Clears Roundabout.
  • A477, Red Roses (Carmarthenshire): Just passable in both directions due to snow between the Red Roses turn-off and the A40 at St Clears.
  • A494, Llanbedr Dyffryn Clwyd (Denbighshire): Just passable in both directions due to snow between Lon Y Mynydd and the A5119 Ruthin Road at the Gwernymynydd roundabout.
  • A5, Pentrefoelas (Conwy): Just passable in both directions due to snow between the A543 at Pentrefoelas and the A483 at Halton Roundabout.
  • A458, Mallwyd (Gwynedd): Just passable in both directions due to snow between the A470 at Mallwyd roundabout and Pen Y Ddol at Foel.
  • A470, Llanelltyd (Gwynedd): Just passable in both directions due to snow between the A496 Barmouth turn-off and the A4212 Bala turn-off at Trawsfynydd.
  • A55 Britannia Bridge (Isle of Anglesey and Gwynedd): Open in both directions, but strong winds are affecting the route between Junction 9 on the A487 at Treborth and Junction 8 on the A5 at Llanfair PG. A 30mph speed limit is in place.
  • A548, Llanrwst (Conwy): Just passable in both directions due to snow between the B5113 Pentrefoelas turn-off and the A544 at Llanfairtalhaiarn. Traffic sensors show vehicles can now pass.
  • A4086, Pont Pen-y-Benglog (Gwynedd): Just passable in both directions due to snow between the A498 and Nant Ffynnon at Nant Peris.
  • A4244, Brynrefail (Gwynedd): Just passable in both directions due to snow between the A4086 and the B4366 at Rhiwlas.
  • B4582, Nevern (Pembrokeshire): Remains closed in both directions following a landslip between the A487 and the Moylgrove turn-off. Closed since November 5.
  • A494, Corwen (Denbighshire): Just passable in both directions due to snow between the A5104 at Corwen and the B5105 towards Ruthin.
  • A483, Cynghordy (Carmarthenshire): Just passable in both directions due to snow between Cynghordy and Victoria Road at Llanwrtyd Wells. Sensors indicate traffic can now pass.
  • A5, Grisiau-Cochion (Gwynedd): Just passable in both directions due to snow between Braichmelyn and the A4086 Llanberis turn-off at Capel Curig.
  • Road at Bettws Cedewain (Powys): Blocked in both directions due to ice between the B4389 and Pen-Shwa Lane at Newtown.
  • B4338, Talgarreg (Ceredigion): Closed in both directions due to snow between the B4459 at Talgarreg and the Cefn Hafod pub at Gorsgoch.
  • Rhyddwen Road, Craig-Cefn-Parc (Swansea): Closed in both directions due to snow between Rhyddwen Place and Clydach Road.

Important Note: Road conditions can change rapidly. Always check local travel information and follow the advice of local authorities before you travel.

But here's where it gets controversial... The impact of severe weather on travel can be significant, especially in areas with limited alternative routes. Is enough being done to prepare and maintain these roads during the winter months? Do you think the current measures are sufficient, or could more be done to improve road safety and accessibility during harsh weather? Share your thoughts in the comments below!

Wales Snow & Ice Road Closures: Full List & Travel Advice (January 2024) (2026)
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