Schedule-free high-frequency transit operations

Gabriel E. Sánchez-Martínez (), Nigel H. M. Wilson () and Haris N. Koutsopoulos ()

Public Transport, 2017, vol. 9, issue 1, No 16, 285-305

Abstract: Abstract High-frequency transit systems are essential for the socioeconomic and environmental well-being of large and dense cities. The planning and control of their operations are important determinants of service quality. Although headway and optimization-based control strategies generally outperform schedule-adherence strategies, high-frequency operations are mostly planned with schedules, in part because operators must observe resource constraints (neglected by most control strategies) while planning and delivering service. This research develops a schedule-free paradigm for high-frequency transit operations, in which trip sequences and departure times are optimized in real-time, employing stop-skipping strategies and utilizing real-time information to maximize service quality while satisfying operator resource constraints. Following a discussion of possible methodological approaches, a simple methodology is applied to operate a simulated transit service without schedules. Results demonstrate the feasibility of the new paradigm.

Keywords: High-frequency transit; Schedule-free; Real-time control (search for similar items in EconPapers)
Date: 2017
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DOI: 10.1007/s12469-016-0129-8

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