Transit signal priority control at signalized intersections: a comprehensive review

Lin, Yongjie; Yang, Xianfeng; Zou, Nan; Franz, Mark

doi:10.1179/1942787514y.0000000044

Cited by 52 publications

(40 citation statements)

References 35 publications

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“…In active priority schemes, a transit vehicle sends out a priority request as it approaches a signalized intersection and the signal controller responds such that the vehicle could pass the intersection without stopping. Traditional active TSP strategies include "green extension", "red truncation", and "phase insertion" [9]. The strategy implemented depends on the predicted arrival times of transit vehicles at an intersection and multiple priority requests from different approaches [10].…”

Section: Introductionmentioning

confidence: 99%

Tram-Oriented Traffic Signal Timing Resynchronization

Tang

Wang

et al. 2018

Journal of Advanced Transportation

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Modernized trams usually run on exclusive rail lanes along urban streets, but they share the right of way with general vehicles at intersections and often get interrupted by traffic signals. We developed a mixed integer model to resynchronize traffic signal timings to favor tram movements. The objective is to balance the operational needs between minimizing bidirectional tram travel times and reducing the likelihood of activating the green extensions. The model depicts both tram and vehicle progressions in one signal timing plan, making it possible to control the impact of signal timing resynchronization through traffic. Trams following the tram bands produced by the proposed model are prevented from being stopped by red phases at signalized intersections. The applicability and effectiveness of the proposed model were demonstrated in a real-world case study. Compared with the state-of-the-art practice approach, the developed model reduced tram travel time by 10% with lower negative impacts on traffic on side streets. The reduction in tram travel time was obtained without sacrificing the mobility of through traffic.

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Section: Introductionmentioning

confidence: 99%

Tram-Oriented Traffic Signal Timing Resynchronization

Tang

Wang

et al. 2018

Journal of Advanced Transportation

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“…Depending on the location and capabilities of the transit detectors, active priority can also be classified as unconditional and conditional. Based on real-time flow profiles of transit and general vehicles, adaptive priority develops signal timing plans to provide priority for transit vehicles while incurring the least delay to the transit passenger or total person [1]. Some adaptive priority also entails optimization models like genetic algorithms and artificial neural network based control algorithm [2].…”

Section: Introductionmentioning

confidence: 99%

“…The evaluation of TSP strategies can be categorized into three types: analytical evaluation, simulation test, and field test [1]. In the majority of the literature, the TSP evaluation has been commonly reported with an improvement in transit performance (i.e., travel time, delay).…”

Section: Introductionmentioning

confidence: 99%

Comparative Performance Analysis of Multi-Objective Transit-Priority Systems

Hawas¹,

Alam²

2018

World Congress on Civil, Structural, and Environmental Engineering

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This paper demonstrates how can the Response Surface Methodology (RSM) simulation-based optimization be used in calibrating the transit priority based advanced traffic control systems. Three types of control types are considered; split, protected, dual phasing signal control. The proposed methodology is applied to some integrated heuristic based control that accounts for various triggers such as downstream signal congestion and identification of priority transit vehicle in traffic streams. The RSM accounts for multiple objectives related to the various network measures of effectiveness simultaneously by estimating the so-called composite desirability. Multiple objective functions were used; namely, maximizing the transit throughput and minimizing the mean travel time simultaneously. The three control types were analyzed under various network loading levels reflecting congested and highly congested scenarios. The RSM methodology proved to be efficient in optimizing the various control types, increasing the transit throughput and decreasing the mean travel time in almost all studied cases. Comparative analysis was conducted to assess the effectiveness of the various controllers in terms of transit throughput and mean travel time. A simplified multi-criteria ranking indicated the best performance in the case of dual, followed by the split, and finally the protected control.

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“…Therefore, they are generally utilized at those intersections where buses cross the intersection in the forward direction, and the non-priority traffic flows making the turns are of low intensity and, therefore, can be prohibited. Skabardonis (2000), Przhibyl, Svitek (2003), Lin at al. (2015) propose methods of providing passive and active priority for buses.…”

Section: Introductionmentioning

confidence: 99%

“…Balke at al. (2000), Przhibyl, Svitek (2003), Lin at al. (2015) believe that the most efficient way of providing active priority is to invoke a special phase that can be activated at any time during the cycle length.…”

Section: Introductionmentioning

confidence: 99%

“Bus Lane Within The Area Of Intersection” Method For Buses Priority On The Intersections

Vikovych

Zubachyk

2015

Transport and Telecommunication Journal

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The primary objective of this article is to formalize the “special bus lanes within the area of intersection” method that allows providing buses with space-time priority at signalized intersections (mostly of the isolated type), including those with no more than two traffic lanes in each direction at the approaches to the intersection. The article establishes the limits for efficient application of this method, and describes the results of a simulation experiment conducted in the VISSIM environment to investigate the functioning of the method on an actual intersection. The most critical phase of implementation of this method is to determine the optimum length of the special bus lane at the approach to the intersection. The optimum length of special bus lanes at the approaches to isolated or coordinated intersections is determined based on the maximum length of queued vehicles which is computed using the simulation models developed in the Objective-C language. The article covers the basic characteristics of those models, their structure and building principles, and also provides the model validation results. Simulation models can be used both for determination of the optimum length of special bus lanes at the approaches to signalized intersections and for analysis of intersection performance based on the maximum length of queued vehicles.

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Transit signal priority control at signalized intersections: a comprehensive review

Cited by 52 publications

References 35 publications

Tram-Oriented Traffic Signal Timing Resynchronization

Tram-Oriented Traffic Signal Timing Resynchronization

Comparative Performance Analysis of Multi-Objective Transit-Priority Systems

“Bus Lane Within The Area Of Intersection” Method For Buses Priority On The Intersections

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