Optimal stop spacing and headway of congested transit system considering realistic wait times

Steven I-Jy Chien · Jongho Byun · Athanassios K Bladikas

21 citations0/0 files storedTransportation Planning and Technology

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Transportation Planning and Optimization Traffic control and management Railway Systems and Energy Efficiency

Abstract

This paper revisits the classical transit scheduling problem and investigates the relationship between stop spacing and headway, considering realistic wait time and operable transit capacity. Headway and stop spacing are important determinants for planning a transit system, which influence the service level as well as the cost of operation. A mathematical model is developed, and the objective function is user travel time which is minimized by the optimized stop spacing and headway, subject to the constraints of operable fleet size and route capacity. Optimal stop spacing and headway solutions are obtained in a numerical example. Sensitivity analysis is conducted, and the effect of model parameters on user travel time is explored.

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References

1971OPTIMIZATION AND SCALE ECONOMIES IN URBAN BUS TRANSPORTATION 1972Control Strategies for an Idealized Public Transportation System 1999A stochastic user equilibrium assignment model for congested transit networks 1981Service frequency, schedule reliability and passenger wait times at transit stops 1982Design of Local Bus Service with Demand Equilibration 1998Joint optimization of a rail transit line and its feeder bus system 2003A dynamic schedule-based model for congested transit networks 1957The Instability of a Close-Interval Service

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