Limits And Opportunities Of Risk Analysis
Application In Railway Systems
Author(s)
R. Licciardello, A. Baldassarra, P. Vitali, A. Tieri, M. Cruciani
& A. N. Vasile
Abstract
Risk analysis is a collection of methods widely used in many industrial sectors.
In the transport sector it has been particularly used for air transport applications.
The reasons for this wide use are well-known; risk analysis allows us to
approach the safety theme in a stochastic – rather than deterministic – way, it
forces us to break down the system in sub-components. Last, but not least,
it allows a comparison between solutions with different costs, introducing de
facto an element of economic feasibility of the project alternatives in the safety
field. Apart from the United Kingdom, in Europe, the application of this tool in
the railway sector is relatively recent. In particular, Directive 2004/49/EC (the
\“railway safety directive”) provides for compulsory risk assessment in relation to
the activities of railway Infrastructure Managers (IMs) and of Railway
Undertakings (RUs). Nevertheless, the peculiarity of the railway system – in
which human, procedural, environmental and technological components have a
continuous interchange and in which human responsibilities and technological
functions often overlap – induced the EC to allow wide margins of subjectivity
in the interpretation of risk assessment. When enacting Commission Regulation
(EC) No 352/2009 which further regulates this subject, a risk assessment is
considered positive also if the IM or RU declare to take safety measures widely
used in normal practice. The paper shows the results of a structured comparative
analysis of the rail sector and other industrial sectors, which illustrate the
difficulties but also the opportunities of a transfer towards the railway system of
the risk analysis methods currently in use for the other systems.
Keywords: railway risk assessment, comparison with road and industry.
Keywords
railway risk assessment, comparison with road and industry
Related Book
Other papers in this volume
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