The African Development Bank commissioned a study during 2010/11 to analyse road unit costs and the extent of cost overruns in road infrastructure projects in Africa. The study focussed on three main objectives, namely: (i) to determine unit costs for road infrastructure projects in Africa; (ii) to determine the prevalence and extent of cost overruns; and (iii) to determine the evolution of unit costs and cost overruns since the completion of previous studies – specifically the Africa Infrastructure Country Diagnostics (AICD) study and a related study for the AfDB on Road Maintenance and Construction Costs in Africa.
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