“…Also, the expert opinion may differ on each and every aspect pertaining to the site specific conditions, etc., as the effectiveness of a noise barrier depends upon its geometry; acoustic characteristics such as sound reflection, diffusion of surface exposed to noise, airborne sound insulation; installation factors; deterioration with time; site geometry; ground profile; site acoustic characteristics; ground impedance, and meteorological conditions (Garai et al, 2000). However, the present work serves as an illustrative example that can be easily applied with no computational complexities inviting the opinion of any number of experts (fuzzy numbers will change) to formulate an effective strategy for selection and installation of a noise barrier considering all these alternatives with regard to criteria considered.…”