The main goal of 2GetThere is associating people who are travelling in the same direction with each other. Using mobile devices such as widely available mobile phones allows arranging the trip ad hoc without the need of planning it for a long time in advance. Such joint journeys decrease the number of cars and thanks to this the emission of CO₂ to the atmosphere is lower. The users of 2GetThere system make their journeys less expensive and in the same time they preserve the environment.