Abstract
Prioritizing transit vehicles at signalized intersections is an important step toward reducing the overall person delay at intersections and in turn reducing the total travel time of passengers. For several decades researchers have proposed solutions to provide Transit Signal Priority (TSP), and recent advances in Information and Communication Technology (ICT) and its application in traffic management have triggered its usage in TSP. In this article, a review of existing TSP systems is conducted emphasizing the role of ICT in its implementation. It is observed from the review that TSP is being adopted worldwide at various levels. Most of the solutions proposed are location specific, and the implementation is demonstrated through simulations. TSP systems for heterogeneous traffic are scanty. The state-of-art technologies for data collection such as sensors and GPS, for computation such as cloud, fog, edge, and technologies for V2X and I2I communications are the base to implement the solutions currently. Overall, the ICT plays a cardinal role in the implementation of TSP, with the long-term benefits, TSP is expected to penetrate every city that aims at providing sustainable and smooth commuting for its citizens.
Published Version
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