Comparison of Importance Indices for Highway Network Reliability Improvement Combined with Cost–Benefit Analysis

Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 262)


The 2011 Japan Earthquake and the 2008 Sichuan Earthquake disrupted many sections in the highway networks and consequently blocked emergency and rescue activities in the wide area. Thus, it is very important to construct a highly reliable highway network in advance for not only abnormal but also normal period. Network reliability can be improved effectively by improving key links under limited resources. Once such key links are identified, network reliability can be efficiently improved and maintained. For identifying the key links, several importance indices such as Birnbaum’s importance (RI) and criticality importance (CI) have been proposed. However, use of these indices is found to lead to unreasonable results in the small networks in this chapter. Thus use of RI and CI is inappropriate for an actual network. Therefore, this chapter demonstrates the advantage of the improved importance index (CIW) proposed by authors. Then this chapter proposes a combination strategy of CIW and cost–benefit analysis (B/C), and provides comparative analyses.


Network reliability improvement Reliability importance Criticality importance Cost–benefit analysis Boolean absorption 


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  1. 1.Faculty of Urban ScienceMeijo UniversityKaniJapan
  2. 2.School of Information and Electrical EngineeringShandong Jiaotong UniversityJinan ShandongChina

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