Mobility Management is the European term used to describe activities that promote sustainable transportation and reduce or manage demand for auto travel.TP21PT It is used in essentially the same context as TDM. Mode share, Mode split, and Mode shift A transportation mode describes a type or means of transportation. The number of modes differs for different types of analysis, organizations, or areas. Often, transportation models or analysis will take into account only one mode (auto) or two modes (auto and transit). For other models or types of analysis, the list of modes can be very extensive, with a number of sub categories. Some of the modes used for analysis include: Auto, y Drive alone (also known as single occupancy vehicle (SOV)), y Auto as driver, y Auto as passenger, y Auto with others from the same household, y Auto with others from different households, y Taxi, y Motorcycle, Transit, y Bus, y Light rail, y Heavy rail (subway), y Commuter Rail, y Ferry, Active transport (modes of transport that are human-powered), y Walk, y Cycle, y Skateboard / rollerblade, y Wheeling (wheelchair, scooter). Some trips may include two or more modes. For example, a traveller may walk to a bus stop or drive to a park-and-ride. Three different terms are used to describe the relationship between the different modes. These are mode share, mode split, and mode shift