With the growth in Indian economy, major infrastructure development initiatives have been undertaken by the Governments at the central, state and local body levels. Transportation infrastructure projects recently undertaken in India have experienced large cost and time overruns. The development, construction and operation of the infrastructure facilities need a number of permits and approvals. These projects are more vulnerable to approval delays because they require various statutory and non statutory approvals and clearances during the development phase and project specific approvals during the implementation phase. This paper discusses the preliminary phase of the research to investigate and evaluate the impact of the various approval risks on the outcome of transportation infrastructure projects. Critical approval risks and risk sources have been identified through literature review and interviews with key experts in the various transportation sectors such as airports, metro rail and roads. The approval risks are structured in three levels through a risk breakdown structure (RBS). Approval risks are classified into development approval risks and implementation approval risks. Development approval risks are further broken down into statutory and non statutory approval risks. The identified approval risks will benefit the developers and project managers of the infrastructure projects to better plan infrastructure projects taking into account impact of these risks.
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