Bus remains as the most popular choice for public transport, and accounts for about 90 million passenger journeys each year (2019 to 2020) compared with approximately 30 million annual rail journeys.
Bws yw'r dewis mwyaf poblogaidd o hyd ar gyfer trafnidiaeth gyhoeddus, ac mae'n cyfrif am tua 90 miliwn o deithiau bob blwyddyn o'u cymharu â thua 30 miliwn o deithiau rheilffordd bob blwyddyn.