Travel Time Model for Right-Turning Vehicles of Secondary Street at Unsignalized Intersections

Feng Yu-Qin, Leng Jun-Qiang, Wang Peng, He Yi and Zhang Gui-e

Mathematical Problems in Engineering, 2013, vol. 2013, 1-6

Abstract:

The travel time of right-turning vehicles on secondary street at unsignalized intersection is discussed in this paper. Under the assumption that the major-street through vehicles’ headway follows Erlang distribution and secondary-street right-turning vehicles’ headway follows Poisson distribution. The right-turning vehicles travel time model is established on the basis of gap theory and M/G/1 queue theory. Comparison is done with the common model based on the assumption that the major-street vehicles’ headway follows Poisson distribution. An intersection is selected to verify each model. The results show that the model established in this paper has stronger applicability, and its most relative error is less than 15%. In addition, the sensitivity analysis has been done. The results show that right-turning flow rate and major-street flow rate have a significant impact on the travel time. Hence, the methodology for travel time of right-turning vehicles at unsignalized intersection proposed in this paper is effective and applicable.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:104034

DOI: 10.1155/2013/104034

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