Research on Analysis Method of Traffic Congestion Mechanism Based on Improved Cell Transmission Model

Hongzhao Dong, Shuai Ma, Mingfei Guo and Dongxu Liu

Discrete Dynamics in Nature and Society, 2012, vol. 2012, 1-11

Abstract:

To analyze the spreading regularity of the initial traffic congestion, the improved cell transmission model (CTM) is proposed to describe the evolution mechanism of traffic congestion in regional road grid. Ordinary cells and oriented cells are applied to render the crowd roads and their adjacent roads. Therefore the traffic flow could be simulated by these cells. Resorting to the proposed model, the duration of the initial traffic congestion could be predicted and the subsequent secondary congestion could be located. Accordingly, the spatial diffusion of traffic congestion could be estimated. At last, taking a road network region of Hangzhou city as an example, the simulation experiment is implemented to verify the proposed method by PARAMICS software. The result shows that the method could predict the duration of the initial congestion and estimate its spatial diffusion accurately.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:854654

DOI: 10.1155/2012/854654

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