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Abstract

Transportation project owners are often concerned with the risks associated with construction, because these challenges can directly affect project outcomes and often lead to increased time and cost for projects. It is, therefore, vital to identify challenges early within the project life cycle. Transportation project delivery has evolved to strengthen the influence that the owner has upon the project, transitioning away from the exclusive use of traditional Design-Bid-Build to the more innovative and involved approaches of Design-Build and Construction Manager / General Contractor. Unfortunately, this has resulted in increased owner risk. In this research, transportation project owners were asked to identify and discuss the challenges and risks associated with three main delivery methods: Design Bid-Build, Design-Build, and Construction Manager / General Contractor. These results identify the most challenging aspects for successful project completion for each of these project delivery types. Practices that can improve project outcomes were also explored within this research. The results of this research can assist transportation owners and construction managers alike in identifying transportation construction project related risks and selecting the most effective ways to mitigate those risks.

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