Coordinated Transit Signal Priority Model Considering Stochastic Bus Arrival Time

Truong, L, Currie, G, Wallace, M, De Gruyter, C and An, K 2019, 'Coordinated Transit Signal Priority Model Considering Stochastic Bus Arrival Time', IEEE Transactions on Intelligent Transportation Systems, vol. 20, no. 4, pp. 1269-1277.


Document type: Journal Article
Collection: Journal Articles

Title Coordinated Transit Signal Priority Model Considering Stochastic Bus Arrival Time
Author(s) Truong, L
Currie, G
Wallace, M
De Gruyter, C
An, K
Year 2019
Journal name IEEE Transactions on Intelligent Transportation Systems
Volume number 20
Issue number 4
Start page 1269
End page 1277
Total pages 9
Publisher IEEE
Abstract This paper presents an advanced transit signal priority (ATSP) control model that considers bus progression at downstream intersections when giving priority at upstream intersections and stochastic bus arrival times. The ATSP control model is applicable to arterials with bus lanes. At the center of the ATSP control model is a stochastic programming model formulated to find the optimum priority strategies at each intersection of interest, which minimize bus delays while having the least negative impact on general traffic. The uncertainty in bus arrivals is taken into account by considering stochastic bus dwell times. The ATSP control is implemented in a traffic micro-simulation environment and compared with conventional transit signal priority (CTSP) control. Extensive simulation experiments are conducted with different traffic congestion levels, bus headway levels, and dwell-time distributions. Results show that the ATSP control generates an additional reduction in bus delay of around 10% when compared to the CTSP control.
Subject Transport Planning
Transport Engineering
Keyword(s) Australia
bus progression
Delays
Intelligent transportation systems
Linear programming
Optimization
stochastic arrival time.
Stochastic processes
Transit signal priority
DOI - identifier 10.1109/TITS.2018.2844199
Copyright notice © 2019 IEEE
ISSN 1524-9050
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