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The Sri Lankan government allocates a significant amount of its yearly capital expenditure toward road infrastructure projects. Since the end of the war terror in 2009, the Road Development Authority (RDA) has invested around 6% of the government's total construction budget for road projects. A significant proportion of financial resources voted for Provincial Councils, and nearly one-third of what RDA obtains has been committed to road infrastructure expansion. When assessing the economic feasibility of a particular road section, a threshold Project Impact Rate of Return, EIRR (Economic Internal Rate of Return), of 10-12% is typically used. Given the country's GDP, this would be a substantial amount of money for a developing country like Sri Lanka. So, determining how effectively capital funds are provided in contrast with the benefit utilization is critical for a sustainable economy. Moreover, the per capita expenditure under transport administrative overheads is drastically high in the country, which has created an unsustainable expenditure for the government of Sri Lanka with a fragmented set-up in road construction. At the same time, this study shows whether these road investments have been effectively materialized in the last decade toward the country's sustainable economic growth. The data collection for study was done through primary and secondary data collection, mainly focusing on RDA, PRDA, and rural road projects. In the methodological approach, the performance of road sector investments over the previous decade was analyzed with an emphasis on how money was transferred for road network construction. Identification of how total investments were aggregated across multiple state agencies in Sri Lanka was carried out along with a multi-year benefit calculation in comparison with VOT (Value of Time), VOC (Saving on Vehicle Operating Cost), Accident Cost Saving and Regional Benefits. Funding patterns and scenarios were established while investment distribution by province, road class, and geographic locations was taken into account to compare the GDP growth rate of each province and subsequently to identify growth potentials in respective areas. The calculation was done considering the total expenditures where all these projects would have been feasible under a Minimum EIRR of 10-12%. The study determined whether these projects could provide the expected benefits for the country and if it is reflected in the natural GDP Growth rate. The Macro-Economic approach of the Harrod–Domar (HD) Model of Economic Growth and Development Theory was applied to this concern. Descriptive statistics and regression analysis were carried out in the context of project EIRRs, financial investments, NPV, road length, and road class wise, and subsequently, several relationships were developed. The findings revealed that predicted benefits in the road sector over the previous decade had been overstated since the underlying assumption of estimated economic benefits that would convert into economically productive activities and economic growth has not been properly materialized. The research findings are beneficial in prioritizing which road investments with adequate growth potentials are yielding the highest return. Correspondingly, for understanding how budget allocations could be done for the next 5-10 years so that there would be a better return on investment and diversifying road sector investments to yield the maximum benefits for Sri Lanka. Additionally, the findings are advantageous to ensure whether there is a better balance between infrastructures and sectors that will contribute to the overall economic development of a particular area. |
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