Simulation model based on Monte Carlo method for traffic assignment in local area road network

doi:10.1007/s11709-009-0032-3

Front Arch Civil Eng Chin

2009, Vol. 3

Issue (2) : 195-203 https://doi.org/10.1007/s11709-009-0032-3

RESEARCH ARTICLE

Simulation model based on Monte Carlo method for traffic assignment in local area road network

Yuchuan DU(

), Yuanjing GENG, Lijun SUN

Key Lab. of Road and Traffic Engineering of the Ministry of Education, Tongji University, Shanghai 201804, China

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Abstract

For a local area road network, the available traffic data of traveling are the flow volumes in the key intersections, not the complete OD matrix. Considering the circumstance characteristic and the data availability of a local area road network, a new model for traffic assignment based on Monte Carlo simulation of intersection turning movement is provided in this paper. For good stability in temporal sequence, turning ratio is adopted as the important parameter of this model. The formulation for local area road network assignment problems is proposed on the assumption of random turning behavior. The traffic assignment model based on the Monte Carlo method has been used in traffic analysis for an actual urban road network. The results comparing surveying traffic flow data and determining flow data by the previous model verify the applicability and validity of the proposed methodology.

Keywords traffic assignment local area road network turning ratio Monte Carlo method

Corresponding Author(s): DU Yuchuan,Email:ycdu@mail.tongji.edu.cn

Issue Date: 05 June 2009

Cite this article:

Yuchuan DU,Yuanjing GENG,Lijun SUN. Simulation model based on Monte Carlo method for traffic assignment in local area road network[J]. Front Arch Civil Eng Chin, 2009, 3(2): 195-203.

URL:

https://academic.hep.com.cn/fsce/EN/10.1007/s11709-009-0032-3
https://academic.hep.com.cn/fsce/EN/Y2009/V3/I2/195

Fig.1 Local area road network in city

Fig.2 Abstract schematic drawing of local area road network

Tab.1 Statistical results on turning ratio changes in 76 intersections

Fig.3 Time-varying drawings of turning ratio in some intersections. (a) East inlet of Zhongshan Road–Wuzhong Road intersection; (b) south inlet of Jiangning Road–Changshou Road intersection

Fig.4 Relationship between mean absolute value of relative tolerance and “simulation vehicle” amount

Fig.5 Schematic drawing of road network for testing

Fig.6 GIS distribution drawing of assignment flow in road network for testing

Tab.2 Comparison table between actually traffic data of field survey equipment and calculation results of model

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