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Online identification of critical road sections using network analyses

Online identification of critical road sections using network analyses

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Road infrastructure is one of the most important objects created by mankind. Without it, it would not be possible to transport various types of goods, including basic foodstuffs, and to provide basic services, such as health services. So, the entire economy of human society rests on the road infrastructure, and without it we would certainly not be where we are as a human being today. Therefore, our primary task must be to keep the road network in a functional state, i.e. in a state where every place on the network is accessible from a different place.

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  • White M.
  • Vodák R.
  • Kubeček J.
  • Svoboda T.
  • Andrášik R.
  • Sedoník J.
  • Křivánková Z.
  • Bílova M.


The goal of the methodology

Graph definition and related terms

Vulnerability of road networks
Impacts of section breaks
Events on the network

Methods of identifying the weakest sections in the network
Detour routes of interrupted sections
Static and dynamic scenarios
Calculation speed
Application of purpose functions

Basic algorithms
Circular algorithm
Stochastic algorithm

Case study – Zlín region
Examples of applications of the proposed methods on the example of the Zlín region

Data flow design and implementation of presented algorithms
Design of a web map application for monitoring critical conditions
Significance of the results for practice
Comparison of the novelty of the procedures mentioned in the methodology
Description of the application of the methodology
Economic aspects of the methodology


The methodology is the result of the solution of the Security Research project of the Ministry of the Interior of the Czech Republic "Quantification of the risk of threats to the transport infrastructure of the Czech Republic by natural hazards", No. VG20102015057.