Mass transit refers to moving people from point A to point B through shared transportation systems designed to accommodate large numbers of individuals. Examples of mass transit vehicles include buses, trains, subways, trolleys, ferries. Air transport is another mode of transportation for intercity transit of public transportation utilized by large groups of people as opposed to single passenger, taxi, or other individual means.
Most public transport runs to a scheduled timetable with the most frequent services running to a headway.
Share taxi offers on-demand services in many parts of the world and some services will wait until the vehicle is full before it starts.