Bus holding control of running buses in time windows.

Research output: Contribution to conferencePaperAcademicpeer-review

Abstract

This work proposes a periodic bus holding control method where the bus holding times of all running trips are computed simultaneously within each optimization time period; thus, increasing the coordination among running buses to avoid bus bunching. We consider the adverse effects of the bus holding control on the in-vehicle travel times of on-board passengers and formulate holistic bus holding decisions by modeling the bus holding problem as a discrete, nonlinear, constrained optimization problem. Given the computational complexity of the bus holding problem, an alternating minimization approach is introduced for computing the optimal holding times at each optimization
instance. The performance of the periodic control method is evaluated against the performance of event-based control methods using 5-month automated vehicle location and automated passenger count data from bus line 1 in Stockholm demonstrating an improvement potential of 5% for the in-vehicle travel times and 11% for the service regularity.
Original languageEnglish
Pages1
Number of pages19
Publication statusPublished - 17 Jan 2019
Event98th Transportation Research Board (TRB) Annual Meeting 2019 - Walter E. Washington Convention Center, Washington, United States
Duration: 13 Jan 201917 Jan 2019
Conference number: 98
http://www.trb.org/AnnualMeeting/AnnualMeeting.aspx

Conference

Conference98th Transportation Research Board (TRB) Annual Meeting 2019
Abbreviated titleTRB 2019
CountryUnited States
CityWashington
Period13/01/1917/01/19
OtherPaper number: 19-05489
Internet address

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Travel time
Constrained optimization
Computational complexity

Cite this

Gkiotsalitis, K., & Cats, O. (2019). Bus holding control of running buses in time windows.. 1. Paper presented at 98th Transportation Research Board (TRB) Annual Meeting 2019, Washington, United States.
Gkiotsalitis, Konstantinos ; Cats, O. / Bus holding control of running buses in time windows. Paper presented at 98th Transportation Research Board (TRB) Annual Meeting 2019, Washington, United States.19 p.
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Gkiotsalitis, K & Cats, O 2019, 'Bus holding control of running buses in time windows.' Paper presented at 98th Transportation Research Board (TRB) Annual Meeting 2019, Washington, United States, 13/01/19 - 17/01/19, pp. 1.

Bus holding control of running buses in time windows. / Gkiotsalitis, Konstantinos ; Cats, O.

2019. 1 Paper presented at 98th Transportation Research Board (TRB) Annual Meeting 2019, Washington, United States.

Research output: Contribution to conferencePaperAcademicpeer-review

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N2 - This work proposes a periodic bus holding control method where the bus holding times of all running trips are computed simultaneously within each optimization time period; thus, increasing the coordination among running buses to avoid bus bunching. We consider the adverse effects of the bus holding control on the in-vehicle travel times of on-board passengers and formulate holistic bus holding decisions by modeling the bus holding problem as a discrete, nonlinear, constrained optimization problem. Given the computational complexity of the bus holding problem, an alternating minimization approach is introduced for computing the optimal holding times at each optimizationinstance. The performance of the periodic control method is evaluated against the performance of event-based control methods using 5-month automated vehicle location and automated passenger count data from bus line 1 in Stockholm demonstrating an improvement potential of 5% for the in-vehicle travel times and 11% for the service regularity.

AB - This work proposes a periodic bus holding control method where the bus holding times of all running trips are computed simultaneously within each optimization time period; thus, increasing the coordination among running buses to avoid bus bunching. We consider the adverse effects of the bus holding control on the in-vehicle travel times of on-board passengers and formulate holistic bus holding decisions by modeling the bus holding problem as a discrete, nonlinear, constrained optimization problem. Given the computational complexity of the bus holding problem, an alternating minimization approach is introduced for computing the optimal holding times at each optimizationinstance. The performance of the periodic control method is evaluated against the performance of event-based control methods using 5-month automated vehicle location and automated passenger count data from bus line 1 in Stockholm demonstrating an improvement potential of 5% for the in-vehicle travel times and 11% for the service regularity.

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Gkiotsalitis K, Cats O. Bus holding control of running buses in time windows.. 2019. Paper presented at 98th Transportation Research Board (TRB) Annual Meeting 2019, Washington, United States.