Towards A Robust Traffic Timetable For The
Swedish Southern Mainline
Author(s)
A. Peterson
Abstract
We identify the on-time performance as a key to evaluate a railway timetable’s
robustness to disturbances and evaluate the on-time performance for two single
services on the Swedish Southern Mainline for the autumn period 2011. We
analyse the punctuality by studying how the performance develops en route.
Typically the time spent in the stations is underestimated, which partly is
compensated for by time margins along the line, giving rise to a sawtooth formed
delay muster with an increasing trend. The standard deviation in the delay
reports seems to be a good indicator for the precision in the traffic. In this
material it is almost linearly increasing with a good minute per hour scheduled
running time. Two attempts are made to change the timetable for a better
performance. By using socio-economic values a customer-oriented description of
the current timetable is calculated as a trade-off between high punctuality and
short travel time. This timetable does not affect any other traffic. Minor effects to
other traffic would be the result if the existing margins are re-distributed to better
match the demand en route in some sense. As long as no more time supplement
is added, we will, however, not improve on the punctuality to the final
destination. For future research is left, how the decrease in precision can be
accounted for already in the timetable construction.
Keywords: railway timetable, punctuality, on-time performance, robustness.
Keywords
railway timetable, punctuality, on-time performance, robustness
Related Book
Other papers in this volume
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