The deterioration of judgment leads the cognitively impaired persons to make wrong decisions on how to use transportation properly, including choosing the transportation route, deciding which station to get off the bus, and identifying the way after getting off the bus. If only one of these steps goes wrong, the elderly will get on the wrong bus, get off at the wrong station, or travel on the wrong road, which will not only prevent them from getting to their destinations smoothly but also lead to them getting lost.
