ABSTRACT
Traffic survey is a very important foundation work. The survey data is the important basis of the practice and research work in transportation plan, traffic analysis, traffic facility design, construction and operation management, traffic control, traffic safety, transportation flux and so on. In order to develop our country's road traffic career, it is essential to carry out the traffic survey work systemic and planedly.
The traffic survey includes the volume of traffic, driving speed, density, traffic accident, OD investigation, traffic flux investigation and so on. The different investigation project has the different investigation method, mainly has the artificial notation, fluctuates Che Fa, the mechanical notation, the photograph law and so on. This article mainly transits the volume of traffic investigation investigation method to in the volume of traffic investigation plane road intersection volume of traffic investigation and the road volume of traffic investigation as well as the OD investigation to carry on the introduction, has used the handhold traffic survey meter, the video frequency examination system and the vehicles license plate recognition system separately, all is the machinery automatic equipment, the latter two kind of traffic survey equipment simple and also spent the high characteristic to decide they utilized in some quite developed city have the superiority.
After introduced these investigation method, simultaneously has also carried on the forecast to the future traffic survey technology trend of development, among, GPS will be able to have the very big prospects for development in the traffic survey domain.keywords: traffic investigation; the volume of traffic investigation; OD investigation;
the handhold traffic survey meter ;video frequency gathering technology;car license recognition