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Inter-provincial travel flow estimation method based on highway toll collection data

A toll data and expressway technology, applied in traffic flow detection, road vehicle traffic control systems, instruments, etc., can solve the problems of difficulty in data processing, data standardization, lack of integrity and consistency, etc., to improve practicability Effect

Active Publication Date: 2021-07-09
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are still defects in directly applying the existing passenger flow distribution algorithm of urban rail transit network. On the one hand, compared with the urban rail transit network, the scale of the national expressway network is larger, which poses a higher computational efficiency for the flow distribution algorithm. On the other hand, compared with the AFC data with a higher degree of standardization, the national expressway toll data is managed in units of provinces, and there are deficiencies in data standardization, integrity and consistency, which also brings difficulties to data processing

Method used

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  • Inter-provincial travel flow estimation method based on highway toll collection data
  • Inter-provincial travel flow estimation method based on highway toll collection data
  • Inter-provincial travel flow estimation method based on highway toll collection data

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Embodiment 1

[0067] In order to solve the deficiencies of the existing technology, improve the data validity and calculation efficiency of inter-provincial flow estimation, and improve the data validity and calculation efficiency of inter-provincial flow estimation, the present invention provides an inter-provincial travel flow based on expressway toll data Estimation method, which first preprocesses the highway toll data. There is a lot of redundancy in the original highway toll data, and there are missing or abnormal error data. In order to ensure the quality of the data, data preprocessing is carried out first. The processing flow of this method is as follows figure 1 As shown, the following processing steps are included:

[0068] Step S10: Extracting data fields related to inter-provincial travel in the expressway toll data. Normally, highway toll data contains 24 fields related to travel vehicle information, transaction time and place information, transaction amount information, etc...

Embodiment 2

[0114] This method estimates the interprovincial travel flow based on the national expressway toll data. In order to ensure the quality of the toll data and remove a lot of redundancy in the original data, the highway toll data is preprocessed first. The preprocessing of charging data includes extracting data fields as needed, eliminating intra-provincial charging data that has nothing to do with inter-provincial travel volume, and cleaning missing or obviously erroneous data. Secondly, according to the spatio-temporal information of vehicles entering and leaving the expressway network in the toll data, the inter-provincial travel chain of inter-provincial travel is extracted. The inter-provincial travel chain is a link that records all charges for an inter-provincial trip and arranges them according to time and travel trajectory. The inter-provincial travel chain completely includes the O-D information of inter-provincial travel and all the toll stations on the provincial bo...

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Abstract

The invention provides an inter-provincial travel flow estimation method based on highway toll collection data. The method comprises the following steps of extracting data field data related to trans-provincial travel in highway toll collection data, carrying out data preprocessing on the extracted highway toll collection data, and extracting an inter-provincial travel chain set according to the highway toll collection data after data preprocessing, and calculating highway inter-provincial travel O-D and O-D traffic based on the extracted inter-provincial travel chain set. According to the method, based on national highway toll collection data, in combination with national highway network topology data, national toll station basic information data and the like, an extraction algorithm of a highway inter-provincial trip chain is given, highway inter-provincial trip flow is calculated and is compared with actual section flow obtained through statistics, and the practicability of inter-provincial section flow calculation is effectively improved.

Description

technical field [0001] The invention relates to the technical field of expressway operation management, in particular to a method for estimating inter-provincial travel flow based on expressway toll data. Background technique [0002] Inter-provincial travel on expressways refers to a single trip in which a vehicle enters the expressway network from an entrance toll station in a certain province, and then exits the expressway network from other provinces. Inter-provincial travel flow refers to the number of vehicles that complete inter-provincial travel between provinces within a specific period of time. Inter-provincial travel flow can be used as an important basis for expressway inter-provincial fare clearing. How to scientifically and accurately estimate inter-provincial travel flow is one of the hot issues in the transportation field. [0003] Before the abolition of provincial boundary toll stations, my country's expressways operated on a provincial basis, and vehicles...

Claims

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Application Information

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IPC IPC(8): G08G1/065G08G1/01G07B15/06
CPCG08G1/065G08G1/0104G08G1/0129G07B15/06
Inventor 四兵锋王婷高自友赵芳杨珍珍
Owner BEIJING JIAOTONG UNIV
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