摘要

Giving priority to buses is a promising transportation technology strategy to save energy and reduce global warming. Bus lanes with dynamic priority (BLDP) are one of these technologies and have gained an increasing popularity due to the flexibility to give priority to buses. In this study, based on real time communication between vehicles and signal controller in Connected Vehicle (CV) environment, buses operated in BLDP system can request signal priority in real-time. Therefore, a rule-based bus priority model for bus lanes with dynamic priority is developed to give buses both spatial and temporal priority as well as decrease delays for other traffics at the same time. Visual C , VISSIM-COM and VISSIM-Driver Model interface are employed to simulate the BLDP scenarios. A set of integrated optimization rules are developed to give priority to buses including Bus-Arriving-Time computation rules, traffic lights operation rules, priority request generation rules, priority execution rules and optimization logic rules. A field arterial consisting of five intersections and a signalized crosswalk in Changzhou, China is employed for simulation tests. Extensive experimental analyses have shown that the proposed rule-based optimization method for BLDP outperforms dedicated bus lane with No TSP strategy and dynamic bus lane with No TSP strategy in terms of reduction in bus and car delays.

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