Bydd cyswllt bws T1S TrawsCymru hefyd yn cael ei gadw rhwng Aberystwyth, Llanbedr Pont Steffan, Caerfyrddin ac Abertawe gyda teithiau byr rhwng Caerfyrddin, Cross Hands ac Abertawe yn cael eu rhedeg drwy'r dydd (yn ystod yr wythnos a dydd Sadwrn)
A daily TrawsCymru T1S bus link will also be maintained between Aberystwyth, Lampeter, Carmarthen and Swansea with additional short journeys between Carmarthen, Cross Hands and Swansea being operated during the day (weekdays and Saturdays)