Abstract
The aim of this paper is to develop a cooperative control model for improving the operational efficiency of Bus Rapid Transit (BRT) vehicles. The model takes advantage of the emerging connected vehicle technology. A connected vehicle centre is established to assign a specific reservation time interval and transmit the corresponding dynamic speed guidance to each BRT vehicle. Furthermore, a set of constraints have been set up to avoid bus queuing and waiting phenomena in downstream BRT stations. Therefore, many BRT vehicles are strategically guided to form a platoon, which can pass through an intersection with no impedance. An actual signalized intersection along the Guangzhou BRT corridor is employed to verify and assess the cooperative control model in various traffic conditions. The simulation-based evaluation results demonstrate that the proposed approach can reduce delays, decrease the number of stops, and improve the sustainability of the BRT vehicles.
Highlights
In the last two decades, different Bus Rapid Transit (BRT) systems with different characteristics and success levels have been implemented in metropolitan areas worldwide
A BRT system at present is defined as a collective way of land transportation based on the functional features of Light Rail Transit, and it benefits from the economic advantages and flexibility of the buses
BRT vehicles could pass through the intersection more smoothly with the cooperative control model
Summary
In the last two decades, different BRT systems with different characteristics and success levels have been implemented in metropolitan areas worldwide. A BRT system at present is defined as a collective way of land transportation based on the functional features of Light Rail Transit, and it benefits from the economic advantages and flexibility of the buses. It can offer a collective service of land transportation in a more comfortable and faster way by rubber-tired vehicles [1,2,3]. An incompetent traffic signal scheme increases fuel consumption, exhaust pollution, and engine and brake wear This severely prevents transit managements from fully exploiting BRT’s advantages, including rapidness, efficiency and sustainability
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