Data Aggregation For Detailed Analysis Of
Train Delays
Author(s)
T. Richter
Abstract
The classical approach to analysis of train delays is either based on analysis of
delays over a certain threshold along with their cause or of all delays at arrivals
to and departures from stations, irrespective of cause. On Danish railway lines
with dense traffic, these classical approaches have not been able to yield
sufficient information on the dynamics of delays to allow for in depth
understanding of the behaviour of delays (Section 1).
On large parts of the Danish railway network, data is available describing the
occupation of block sections and important track circuits (Section 2). Based on
this data a method is developed to construct an enriched train run history on
track circuit level. This train run history include information on delay, change in
delay, headway between trains as well as the most likely signal aspect received at
each block section and which train that caused it (Section 3).
This enriched train run history allows for analysis of network performance on
track circuit level on lines between junctions. Simple examples of such analysis
are then demonstrated (Section 4). Such analysis can help identify i.e.
infrastructure bottlenecks, timetabling inefficiencies and initial trains that cause
queuing. This again makes it possible to focus the punctuality improving efforts
to achieve a higher punctuality (Section 5).
Keywords: train run history, delays, queuing, resolution of data, single line.
Keywords
train run history, delays, queuing, resolution of data, single line
Related Book
Other papers in this volume
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