Mae ailagor llinell reilffordd Caerfyrddin i Aberystwyth yn dal i fod yn opsiwn, ond byddai'r defnydd o amddiffyniadau cynllunio ar y coridor yn arwain at gostau posib sylweddol iawn i berchnogion tir a chymunedau.
Reopening the Carmarthen to Aberystwyth line remains an option, but the use of planning protections on the corridor would have very significant potential costs to landowners and communities.
B2
Mae'r Bil bysiau wedi'i nodi fel un opsiwn, ac yn amlwg, yr angen i integreiddio bysiau'n llawer gwell o ran angen y cyhoedd, ac rwy'n credu bod hynny'n cynnwys cludiant ysgol.
The bus Bill has been identified as one option, and, clearly, the need to integrate buses far more in terms of public need, and that involves, I think, school transport.
B2
Fel y dywedais, rydym wedi nodi'r opsiwn a ffefrir gennym yn glir, ond gan gydnabod bod yn rhaid iddo fod yn opsiwn ymarferol, a bydd cymaint o faterion yn effeithio ar y gallu i brofi ymarferoldeb ai peidio.
As I said, we've been clear about our preference, but recognising that it has to be a viable option, and there are so many issues that will come into play in terms of whether or not viability can be proved.
C2