Thus, the evaluation of transport projects is essential as it indicates how efficiently resources can be/or were allocated to a given project. Existing evaluation processes – range from the single criteria cost benefit analysis (CBA) to the multiple criteria analysis (MCA) methods and their different combinations – are often criticized for either input- incompleteness raised due to inability to cope with non-monetizable impacts or result-incompleteness raised due to those results not being able to demonstrate the implementation feasibility of projects and comparable absolutely.

This research developed a new evaluation process, termed as Comprehensive Evaluation Process (CEP), capable of ensuring both input-completeness and result-completeness. It was formulated by first establishing a Theoretical Comprehensive Evaluation Process (TCEP) using an inductive approach and then improving its practicality in applying real-life problems through deductive reasoning. The CEP comprises four modules for impact categorization, cost valuation, benefit valuation, and final valuation. The process was demonstrated and validated by applying it to several selected transport improvement projects in Sri Lanka.

Abstract                                                                                                     

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