Optimization method of configuration of traffic flow guidance information board in urban

MEI Zhen-yu; XIANG Yi-qiang; CHEN Jun; WANG Wei

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MEI Zhen-yu, XIANG Yi-qiang, CHEN Jun, WANG Wei. Optimization method of configuration of traffic flow guidance information board in urban[J]. Journal of Traffic and Transportation Engineering, 2007, 7(5): 88-92.

Citation:

MEI Zhen-yu, XIANG Yi-qiang, CHEN Jun, WANG Wei. Optimization method of configuration of traffic flow guidance information board in urban[J]. Journal of Traffic and Transportation Engineering, 2007, 7(5): 88-92.

Citation:

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Optimization method of configuration of traffic flow guidance information board in urban

1.
School of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310027, Zhejiang, China
2.
School of Transportation, Southeast University, Nanjing 210096, Jiangsu, China

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Author Bio:
Mei Zhen-yu(1979-), male, EngD, +86—571—87953210, meizhenyu2002@163.m
Received Date: 2007-03-27
Publish Date: 2007-10-25

Abstract

Abstract

In order to distribute traffic flow guidance information board(TFGIB) in urban properly, the optimization model of configuration of TFGIB was put forward based on the restriction of improving guidance coverage rate and reducing guidance repeat rate.The layout optimization function of TFGIB to maximize the guiding rate of traffic volume was established on the presumption that road network condition and traffic demand area were ensured, the algorithm of the layout function was designed on the basis of genetic algorithm, and the reasonable quantity of TFGIB was confirmed under the restriction.The model was proved through a road network with 15 nodes.It is pointed that when 6 TFGIB are collocated in the net, the guidance repeat rate is 1.000, the guiding coverage rate reaches 0.978, and it is optimal configuration.The result indicates that the method can get the maximum guiding coverage rate under determinate guiding repeat rate, and is an effective method to improve traffic guidance efficiency.
- transportation planning,
- TFGIB,
- layout optimization function,
- guidance coverage rate,
- guidance repeat rate

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References

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