Road infrastructure construction project impact evaluation decision support system and method

Abstract

The invention discloses a road infrastructure construction project impact evaluation decision support system and method. The system includes a feature year OD prediction unit, an entering unit, a traffic impact analysis unit, a traffic data processing unit and a database editing and viewing unit; the feature year OD prediction unit is used for predicting the vehicle traffic travel volume of roadsaccording to a growth rate model and generating an OD file; the entering unit is used for entering a map format file and a feature year OD table which are selected by a user; the traffic impact analysis unit is used for calculating and displaying the operation conditions of the roads of a global road network and the road network of a main affected area; the traffic data processing unit is used forobtaining the travel volume of roads in the map format file and the OD file; and the database editing and viewing unit is used for entering, storing, updating, and viewing the OD file and the map format file. According to the system and method of the invention, an OD backstepping method is adopted, and therefore, the required traffic flow of important road sections can be conveniently obtained, and human and material resources are greatly reduced; an updateable database is built, the larger the updated data amount of the database is, the more a predicted base year OD travel table conforms toactual traffic travel characteristics; and the accuracy of travel distribution prediction can be improved.

Description

technical field [0001] The invention relates to an impact evaluation decision support system and method, in particular to a road infrastructure construction project impact evaluation decision support system and method. Background technique [0002] The four-stage method, as a traditional method for obtaining travel, attraction, and road network traffic between traffic areas, requires OD surveys, and OD surveys require a lot of manpower and material resources. In actual operation, drivers need to be questioned, which affects traffic. run, and difficult to operate. [0003] The traditional OD survey of the city scale is usually carried out once every 5 or 10 years, and the survey period is long. Especially in the process of construction project impact evaluation and decision support, the OD table of the base year must be obtained frequently, which requires a fast and convenient way to obtain Method for the base year OD table. In cities with rapid development and large change...

AI Technical Summary

Problems solved by technology

[0004] Purpose of the invention: In order to overcome the deficiencies of the prior art, the present invention provides a decision-making support system for impact evaluation of road infrastructure construction projects. And the problem of poor adaptability of decision support, the present invention also provides a method for using the impact evaluation decision support system of road infrastructure construction projects, which improves the accuracy of travel distribution prediction

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