Cars and vans are estimated to account for 75 per cent of journeys to work versus 15 per cent for walking and cycling, 6 per cent by bus and 3 per cent by rail [2].
Amcangyfrifir bod ceir a faniau yn cyfrif am 75% o siwrneiau i’r gwaith o’i gymharu â 15% ar gyfer cerdded a beicio, 6% ar gyfer bysiau a 3% ar gyfer trenau [2].