[1]庄焰,曾文佳. 信号交叉口延误计算模型研究[J].深圳大学学报理工版,2006,23(4):309-313.
 ZHUANG Yan and ZENG Wen-jia.Study of traffic delay model at signalized intersection[J].Journal of Shenzhen University Science and Engineering,2006,23(4):309-313.
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 信号交叉口延误计算模型研究()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第23卷
期数:
2006年4期
页码:
309-313
栏目:
土木建筑工程
出版日期:
2006-10-30

文章信息/Info

Title:
Study of traffic delay model at signalized intersection
文章编号:
1000-2618(2006)04-0309-05
作者:
庄焰曾文佳
深圳大学土木工程学院,深圳518060
Author(s):
ZHUANG Yan and ZENG Wen-jia' target="_blank" rel="external">’sans-serif’; FONT-SIZE: 10pt">ZHUANG Yan and ZENG Wen-jia
College of Civil Engineering Shenzhen University Shenzhen 518060 P. R. China
关键词:
信号交叉口延误 HCM 延误模型混合交通流最小二乘法
Keywords:
signalized intersectiondelayHCM delay modelmixed traffic flow least squares method
分类号:
U 491;U 491.2*62
文献标志码:
A
摘要:
利用深圳市主要信号交叉口延误实际调查结果,结合美国 2000 年版 HCM 延误模型计算结果,应用最小二乘法对模型进行修正,建立与深圳市交叉口延误相符合的延迟计算模型,为深圳市信号交叉口和道路系统的分析评价提供了理论依据 .
Abstract:
Traffic delay at signalized intersection is one of important parts of micro-operational evaluation and macrodem and forecast of urban transportation. For without a standard delay model at signalized intersection in the past,Webster signalized intersection delay model, Highway Capacity Manual (HCM) 1985 signalized intersection delay model and HCM 2000 signalized intersection delay model have been directly used till now in China. There are many differences in characteristics between themixed traffic flow in Chinese cities and traffic flow in the United State cities.The purpose of the study in this paper is to determine if the delay results calculated from the above mentioned delay models conform to the actual delays in the signalized intersection in Chinese cities. A methodology including three steps is used to do this research. Firstly, by analyzing the advantages and disadvantages of the above models,HCM 2000 signalized intersection delay model had better characteristics than the other models and it was chosen to calculate the theoretical delay at signalized intersection. Secondly, the actual delay survey with the License Plate method was conducted on the 31main signalized intersections in Shenzhen. Results show that the actual survey delay is significantly different from and higher than the calculated delay. Thirdly, a dispersed dot map including the theoretical calculated delays and the actual survey delays was drawn. The figure clearly indicates that dots from the surveyed delay are higher than dots calculated from the delay at the same signalized intersection and there are similarly variable trends between the theoretical calculated delay s and the survey delays. It appears that the survey delay are a multiple of the calculated delay with HCM 2000 signalized intersection delay model. The Least Squares Method was used to calibrate the coefficient between the real data and the calculated data. Results indicate that the calculated delay with HCM 2000 signalized intersection delay model multiplied by 1.269make the actual delay at the signalized intersection in Shenzhen. The conclusions suggest that HCM 2000 signalized intersection delay mode l can’t directly be used to analyze the delay in signalized intersection in Chinese cities.

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更新日期/Last Update: 2015-06-26