If you do not have a car, perhaps you should live in the biggest cities in China. This line chart race shows you the length of urban rail transit system by city (Hong Kong SAR, Macao SAR and cities in Taiwan Province are not included) in China between 2006-2018. After decades of development, Beijing, Shanghai and Guangzhou have constructed the largest subway networks in the country. It is now very convenient for the residents and tourists to travel to different parts of these cities.