30. September 2015 · Comments Off on A Lane-group Based Macroscopic Model for Signalized Intersections Account for Shared Lanes and Blockages · Categories: Conference Papers, Publications

Authors: Yue Liu, Gang-Len Chang, Jie Yu, Yuanyuan Hou, and Saed Rahwanji

Conference: The 11th International IEEE Conference on Intelligent Transportation System, October 2008 in Beijing, China

Status: Presented

This paper presents a macroscopic model of traffic able to replicate the key features occurring at signalized intersections. Different from the previous link or movement based traffic flow models, the proposed model considers explicitly queue accumulation and dissipation at the lane-group level, in order to facilitate modeling the discharging process for shared lanes. In particular, the proposed model also accounts for the blocking effects between different lane groups due to intersection geometric constraints or improper signal settings, which offer potentials for it to be integrated with optimal control models. The performance of the proposed model applied to a real-world intersection under different demand levels appears to be computer-efficient and convincing when validated by a calibrated microscopic simulation program, VISSIM.

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