Transport in Cardiff, capital and most populous city in Wales involves road, rail, bus, water and air. It is a major city of the United Kingdom and a centre of employment, government, retail, business, culture, media, sport and higher education. Welsh Government statistics for 2008/09 showed that Cardiff had the lowest percentage of the population who travelled to work by car, van or minibus, suggesting the highest public transport usage to work out of all 22 local authorities in Wales.