Transport modal split for different trip purposes. Public/other: trips made by bus, train or unspecified other transport. Passenger (car): trips made as passenger in a car. Drive (car): trips made as a driver of a car. Active: trips made on foot or by bicycle. See figure 1 for key to purposes.
Davis et al. International Journal of Behavioral Nutrition and Physical Activity 2011 8:116 doi:10.1186/1479-5868-8-116