Development Of A Dwell Time Calculation
Model For Timetable Planning
Author(s)
S. Buchmueller1, U. Weidmann1 & A. Nash2
Abstract
Accurately estimating station dwell time is critical for timetable planning. Its
importance has increased as railways seek to improve timetable stability and
network efficiency, while serving more passengers and different types of
transport services. This research consisted of developing a station dwell time
model in cooperation with the Swiss Federal Railways (SBB).
The proposed model estimates dwell times based on the input parameters:
vehicle type (number, position, width and level of doorways), infrastructure
(platform level) and demand (number and distribution of passengers). The
research divides dwell time into five sub-processes: door-unblocking, opening
doors, passenger boarding/alighting, closing doors and train dispatching. Each
sub-process was evaluated separately to understand its influence on dwell time.
The SBB’s automatic passenger counting system was used to record the number
of passengers boarding and alighting at each door and the beginning/ending time
of each sub-process. During eight months over three million measurements were
made on four different vehicle types operating on 20 different routes. These data
were analyzed and used to develop the dwell time model.
This paper describes the research methodology, the structure of the dwell time
model, the data collection system and presents a summary of results including
statistical distribution and influence factors of sub-process times.
Keywords: timetable planning, dwell time, dwell process, boarding/alighting
process, railway process times, S-Bahn train, regional train, automatic
passenger counting system.
Keywords
timetable planning, dwell time, dwell process, boarding/alighting
process, railway process times, S-Bahn train, regional train, automatic
passenger counting system.
Related Book
Other papers in this volume
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