Routes and maps
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Gwyriad/Diversion
23rd May 2025 - 21st Jun 2025
Oherwydd Cau Ffordd Dros Dro ar yr A485 Llanfarian, ni fydd y T1A am 09:35 yn gallu gweithredu ei lwybr arferol rhwng yr 16ed ar 20fed o Fehefin .
Bydd y T1A yn gweithredu’r Llwybr y T1 ar y dyddiau hyn, mae’n ddrwg gennyf am unrhyw anghyfleustra y gallai hyn ei achosi.
Due to a Temporary Road Closure on the A485 Llanfarian, the 09:35 T1A won’t be able to operate its normal route between 16th & 20th June 25.
The T1A will operate the T1 Route on these days, sorry for any inconvenience this may cause.
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Bangor - Aberystwyth
via Caernarfon, Porthmadog, Dolgellau and Machynlleth
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Barmouth - Wrexham
via Dolgellau, Bala & Corwen
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Newtown - Cardiff
via Llandrindod Wells, Builth Wells, Brecon, Merthyr Tydfil
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Aberystwyth - Haverfordwest
via New Quay, Cardigan
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Brecon - Swansea
via Ystradgynlais & Neath
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Chepstow - Bristol
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Corwen - Chester
via Ruthin, Mold
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Bangor to Corwen
via Betws-y-Coed
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Fishguard - Haverfordwest
via St Davids
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Machynlleth to Wrexham
via Newtown, Welshpool
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Hereford - Brecon
via Hay On Wye
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Carmarthen - Cardigan
via Newcastle Emlyn
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Brecon - Abergavenny