Also called OD survey. A method of traffic survey, it investigates the origin and destination of each entity that forms the traffic flow. This type of survey can be easily conducted for rail traffic, but special surveys are required to understand the movement of automobiles. As automobile traffic developed, the need to know the state of traffic flow increased, and the automobile origin/destination survey was conceived in the United States and has since spread worldwide. OD surveys are also conducted periodically in Japan, and the actual state of people and goods flow is revealed. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
OD調査ともいう。交通調査の方法の一つで,交通流を形成する各主体の出発地と目的地を調べるもの。鉄道交通ではこの種の調査は容易に行うことができるが,自動車の動きを知るには特別の調査をする必要がある。自動車交通の発達とともにその交通流の状況を知る必要度が高くなり,自動車の起終点調査がアメリカ合衆国で考えられ,世界的に普及した。日本でも定期的に OD調査が実施され,人流および物流の実態が明らかにされている。
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