Oedi i'r gwasanaeth T1/Delays on service T1

11th - 12th Sep 2026

Oherwydd gwaith ffordd a thrafferthion difrifol yn Rhydyfelin, cafodd gwasanaethau T1 eu heffeithio.

Ni allem weithredu'r gwasanaeth T1 am 11.35 o Aberystwyth i Aberaeron.

Yn ogystal, cafodd y gwasanaeth T1 am 11.45 o Aberaeron i Aberystwyth ei effeithio hefyd.

Due to roadworks and severe delays in Rhydyfelin the T1 services were affected

We were unable to operate the 11.35 T1 service from Aberystwyth to Aberaeron

Also the 11.45 T1 service from Aberaeron to Aberystwyth was also effected.

Newid gwasanaeth ar y T1/Change of service on the T1

11th - 13th Sep 2026

Oherwydd cau ffordd ar A482 Stryd y Coleg, Llanbed, rhwng 08:00-16:00 ddydd Sul 13 Medi 2026, bydd gwasanaethau T1 yn gweithredu'r canlynol.
Caerfyrddin i Aberystwyth
• Bydd pob gwasanaeth yn mynd trwy Cwmann a Phencarreg.
• Yn Llanbed, bydd gwasanaethau'n stopio ar draws y gorsaf fysus bresennol cyn troi trwy Llanwnnen a Chribyn, gan ymuno â'r llwybr arferol yn Temple Bar.
Aberystwyth i Gaerfyrddin
• Bydd pob gwasanaeth yn troi drwy Cwmann a Phencarreg wrth deithio o Lanbed.
Ni fydd Allt y Blaca yn cael ei wasanaethu i unochrog na'r llall am gyfnod cau'r ffordd.

Due to a road closure on A482 College Street, Lampeter between 08:00-16:00 on Sunday 13th September 2026, T1 services will be operating the following diversions.
Carmarthen to Aberystwyth
• All services will operate via Cwmann and Pencarreg.
• In Lampeter, services will stop opposite the current bus stop before diverting via Llanwnnen and Cribyn, rejoining the normal route at Temple Bar.
Aberystwyth to Carmarthen
• All services will divert via Cwmann and Pencarreg when travelling from Lampeter.
Allt y Blaca will not be served in either direction for the duration of the road closure.

Newid gwasanaeth ar y T2/Change of service on the T2

11th - 13th Sep 2026

📢 𝐀𝐓𝐓𝐄𝐍𝐓𝐈𝐎𝐍 𝐓𝐑𝐀𝐖𝐒𝐅𝐘𝐍𝐘𝐃𝐃 𝐑𝐄𝐒𝐈𝐃𝐄𝐍𝐓𝐒 & 𝐕𝐈𝐒𝐈𝐓𝐎𝐑𝐒 🚌
📢 𝐒𝐘𝐋𝐖 𝐏𝐑𝐄𝐒𝐖𝐘𝐋𝐖𝐘𝐑 𝐀𝐂 𝐘𝐌𝐖𝐄𝐋𝐖𝐘𝐑 𝐓𝐑𝐀𝐖𝐒𝐅𝐘𝐍𝐘𝐃𝐃 🚌
Cofiwch, oherwydd gwaith ffordd ddydd Sadwrn 12fed Medi a dydd Sul 13eg Medi, bydd Stryd Fronwynion a gau, bydd y gwasanaeth bws TrawsCymru T2 yn cael ei ddargyfeirio ar hyd yr A470 y penwythnos hwn.
Er mwyn sicrhau'r ymyrraeth lleiaf posib i drigolion lleol, bydd bysiau'n codi ac yn gollwng wrth gyffyrdd Stryd Fronwynion a Heol yr Orsaf. Rhowch signal clir i'r gyrrwr.
🎪 𝐘𝐃𝐘𝐂𝐇 𝐂𝐇𝐈'𝐍 𝐌𝐘𝐍𝐃 𝐈 𝐒𝐈𝐎𝐄 𝐓𝐑𝐀𝐖𝐒𝐅𝐘𝐍𝐘𝐃𝐃?
Peidiwch â phoeni—gallwch chi barhau i gyrraedd ac gadael hawdd! Os ydych chi'n teithio i mewn ar gyfer Sioe Trawsfynydd y penwythnos hwn, defnyddiwch yr arosfannau dros dro wrth gyffyrdd Stryd Fronwynion a Heol yr Orsaf.
Mwynhewch chi gyd yn y sioe! 🎉
Please be aware that due to upcoming roadworks closing Fronwynion Street, the TrawsCymru T2 bus service will be diverted via the A470 this weekend on Saturday 12th September and Sunday 13th September.
To ensure minimal disruption for local residents, buses will be picking up and dropping off at the junctions of Fronwynion Street and Station Road. Please signal clearly to the driver.
🎪 𝐀𝐓𝐓𝐄𝐍𝐃𝐈𝐍𝐆 𝐓𝐇𝐄 𝐓𝐑𝐀𝐖𝐒𝐅𝐘𝐍𝐘𝐃𝐃 𝐒𝐇𝐎𝐖?
Don't worry—you can still easily get to and from the event! If you are traveling in for the Trawsfynydd Show this weekend, simply use the temporary stops at the junctions of Fronwynion Street and Station Road.

Amhariad T3C / disruption T3C

9th - 18th Sep 2026

ADINEWYDDIAD GWASANAETH T3C - 12:10 - LLANDDERFEL
7fed Medi - 18fed Medi
Oherwydd gwaith ffordd sy'n digwydd yng nghanol pentref Llandderfel, ni all bwsiau ar y T3C gyrraedd canol y pentref heddiw.
Bydd T3C yn codi / gollwng teithwyr wrth y cofeb yn ystod y gwaith ffordd hwn.
Bydd teithiau ysgol i / o Ysgol Godre'r Berwyn yn cael eu caniatáu drwy'r gwaith ffordd.

T3C SERVICE UPDATE - 12:10 - LLANDDERFEL
7TH SEPTEMBER-18TH SEPTEMBER
Due to roadworks taking place in Llandderfel village centre, buses on the T3C are unable to access the village centre today.
T3C will pick up / set down passengers at the monument during these roadworks.
School journeys to / from Ysgol Godre'r Berwyn will be allowed through the roadworks

Amhariad ar y T4 / Disruption on the T4

2nd Jul 2026 onwards

Ni fydd yr T4 yn gallu gwasanaethu Free Street, Aberhonddu tan hysbysiad pellach (oherwydd gwaith ffordd sy'n gwneud hi'n amhosibl i gerbydau fawr basio drwyddi). Dylai teithwyr fynd i'r Orsaf Bws yn Aberhanddu.
The T4 will not be able to serve Free Street, Brecon until further notice (due to roadworks making it impossible for larger vehicles to pass through).
Passengers should make their way to the Bus Interchange.