A Behavioural Model For The Level Crossing
Collision Risk Assessment
Author(s)
M. Ghazel
Abstract
Level crossings (LC) are identified as being critical security points in both road and
rail infrastructures. Statistics show that more than three hundred people are killed
every year in Europe in more than 1200 accidents occurring at level crossings.
In this paper, we propose and apply a systematic method to establish a global
model involving both rail and road traffic in the level crossing area. The model
building approach proposes a progressive integration of elementary models, each
of which describing the behaviour of a part in the whole LC environment.We are
interested more precisely in a particular phenomenon which may cause collisions
at level crossings, and which corresponds to the accumulation of vehicle waiting
queues on the LC exit zone. As a model, we use Petri Nets (PN). For the sake of
precision and in order to obtain a realistic and fine behaviouralmodel, quantitative
aspects are integrated in the form of functions (stochastic distributions, deterministic
values, probabilities, etc.) associated to the transitions of our PN model (⇒
Stochastic PN).
Keywords: level crossing, risk assessment, modelling, Petri Net.
Keywords
level crossing, risk assessment, modelling, Petri Net
Related Book
Other papers in this volume
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