Abstract
Road transport is a key means of transporting people and cargo on land. Its particular advantages are speed and operability, which are balanced, however, by dependence on road infrastructure. Road infrastructure reliability is an important factor in its functioning. If some elements of road infrastructure are disrupted or fail, the function of dependent infrastructures, such as the integrated rescue system or industry, are also impaired and may fail. These important elements of road infrastructure should be identified as critical and be given greater attention when identifying weaknesses and implementing subsequent security measures. This article introduces the Identifying Critical Elements of Road Infrastructure (ICERI) method, which was designed to make use of Cascading Impact Assessments (CIA). The use of CIA allows critical elements to be identified through impact escalation analysis. These impacts can therefore be monitored not only in road transport infrastructure but also across the entire critical infrastructure system.
Highlights
The importance of transport in the modern world is reflected by its inclusion in 2008 into the European critical infrastructure sectors (EC 2008), under which the European Council specified four sub-sectors: road transport, rail transport, air transport and waterway transport
This review revealed that no specific method for identifying the critical elements of all linear, point and areal topological structures is currently available (Slivkova et al 2018)
The authors of the article propose the Identifying Critical Elements of Road Infrastructure (ICERI) method, which was created to identify critical elements of road infrastructure. This method analyses the spread of impacts of potentially disrupted road infrastructure elements into dependent and influenced elements in the critical infrastructure system – both inside and outside the road transport sub-sector
Summary
The importance of transport in the modern world is reflected by its inclusion in 2008 into the European critical infrastructure sectors (EC 2008), under which the European Council specified four sub-sectors: road transport, rail transport, air transport and waterway transport (includes inland waterways transport and ocean and shortsea shipping and ports). The authors describe this approach as the relationship between traffic volume and the density of a road network and the relationship between area-weighted volume and the total traffic amount in a network Another method is based on the Network Robustness Index (Scott et al 2006), which makes it possible to determine the value of individual segments or links in the entire motorway system while identifying critical links requiring improvement. Another possible method is assessing the criticality of elements through their vulnerability (Oliveira et al 2014; Taylor, D’Este 2007) or significance (Rupi et al 2015). These impacts can be monitored in the sub-sector of road transport and across the entire critical infrastructure system
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