|Table of Contents|

Design and Implementation of Traffic Demand Estimation System Based on OD(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2011年03期
Page:
83-88
Research Field:
Publishing date:

Info

Title:
Design and Implementation of Traffic Demand Estimation System Based on OD
Author(s):
Bai Hongquan1; Li Junlong2
1.Department of Educational Technology,Nanjing Normal University,Nanjing 210097,China
Keywords:
OD of highway; traffic prediction; four-phase prediction; gravity model
PACS:
U491.14
DOI:
-
Abstract:
Based on OD，a traffic demand estimation system is designed and implemented． The system improves the gravity model of the traffic estimation，and uses the virtual highway network on the basis of practical highway network． Experimental results show that the average growth rate model and modified gravity models obtained OD expectations lines are quite different，which reflects that the two methods have different scopes in traffic forecasting． Predictions from the two methods in the area distribution of road traffic can be seen that the overall traffic on the two methods of distribution are along the main transport corridors，a smaller difference between the overall distribution pattern，but there are still differences between the local road traffics． The two ways are used to compare with the survey data offered by Highway Bureau，and the finding is that: the results used the gravity model predicts have a higher prediction accuracy than the average growth rate model．

References:

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Last Update: 2013-03-21