traffic
Traffic is that a person and a thing come and go physically, and it is a social phenomenon to occur with a human social activity. I call a system got ready as means / a method of the traffic means of transportation or transportation system. The means of transportation developed according to the development of the human being society to offer higher means. On the contrary, there is the side that innovation in means of transportation changed a figure of the human being society into greatly. With the traffic in the meaning of the wide sense, I have the vocabulary that not only the physical movement phenomenon but also the movement (communication) of the information such as a person or the thing includes. The vocabulary to limit to only a person and the movement of the thing is transportation. In other words the traffic of the wide sense is a concept including both transportation and communication. But generally, as for the term called the traffic, cases used as a term hinting at only transportation are often found, and cases, for example, the study domain such as traffic engineering and the traffic economics cannot include communication in the study top, and to intend for only transportation are often found. There are the following things for an element constituting traffic (elements of the traffic). In addition, as for the traffic, there is the characteristic that I am different from the other physical phenomena so that will exists among it when a person moves. In addition, a business to run traffic as the work is called transportation industry. For an element constituting means of transportation, there is the following thing. The traffic is one of the human social phenomena as had written down in the beginning. There is the traffic of the one of the means movement itself moving with objective traffic. For example, the former can give walk, drive, in the rail travel. An act to move that the latter did commuting / of including going to school of of the subordination of other acts or the derivation is acted. The use of most traffic will be this purpose. In addition, about the movement of the thing, all is this use. It is an ideal that there is not originally the traffic as the dependent use. However, constant space is necessary to realize various functions that are necessary for human activity. In addition, there can be the thing that the one that divided an area every function improves various kinds of efficiency. Therefore it is necessary to contact it between those functions mutually to use the function that dispersed in a gross. This is significance of the traffic.