Improving Transport Project Appraisals
In the Islamic Countries
143
Criteria including Security, Safety, and Environment. Every criterion was subdivided into
primary criteria, and these, in turn, into secondary criteria 120. A three-level hierarchy was
therefore generated, as shown i
Figure 9.3: Prioritisation process of primary and secondary road projects
Source: Kaysi et al., 2010.
Weights of every criterion were derived using the Analytic Hierarchy Process method. A Linear
Additive model was then used to compute the score of a road project by adding its weighted
score on a set of criteria.
120 Shah et al., 2013. A Critical Review of Prioritization Models for Pavement Maintenance Management Decisions, 2nd
International Conference on Emerging Trends in Engineering & Technology, Teerthanker Mahaveer University, p. 14.