Sut mae datrys problemau traffig priffordd gogledd Cymru - yr A55? What's being done to solve traffic problems on north Wales' main route - the A55? Show more
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Sut mae datrys problemau traffig priffordd gogledd Cymru - yr A55? What's being done to solve traffic problems on north Wales' main route - the A55? Show more
Mae Radio Cymru wedi bod yn darlledu rhaglenni ers 1977. Radio Cymru has been broadcasting to the nation since 1977.
