United States Department of Transportation
i
The Relationship Between Delivery Processes and Transportation Projects Performance
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2011-12-01
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[PDF-764.39 KB]
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Alternative Title:Understanding Collaboration Environments to Support Green Infrastructure Construction
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Edition:Final research report
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NTL Classification:NTL-FREIGHT-Freight Planning and Policy;NTL-PLANNING AND POLICY-Freight Planning and Policy;NTL-REFERENCES AND DIRECTORIES-Statistics;
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Abstract:Close collaboration among stakeholders has long been recognized as an important factor of a successful project. In today’s climate of a heightened focus on sustainability, collaboration needs to be taken to a new level in the design and construction process. This research investigates the issue of collaboration in light of project delivery system for transportation projects. The research tested three different methods (i.e., multi-regression, generic algorithm, and step-wise method) to identify relationship between project delivery process and project outcomes. Taking into account r-square and p-value we concluded that the step-wise method with significant variables provided reliable results on environments and community results. The expertise and alignment of objectives among project delivery process factors were the most significant input variables for a successful Environmental outcome in this model. The analysis also shows that contractor’s involvement and information sharing are important for successful community projects. Researchers developed best practices with associated factors and outcomes using above-mentioned qualitative as well as quantitative analysis. The best practices are (1) Alignment of cultures amongst organizations is a key to achieving environmental goals and (2) Engaging stakeholders, particularly the General Contractor, early in the project process results in effectively managed projects. The associated factors used in the quantitative analysis with relevant project outcomes were identified on each of two important practices identified in the qualitative analysis. Through the research findings, researchers learned that some factors and associated best practices have statistical relations with project outcomes (i.e., environments and community results). The research results may provide clients of public transportation projects an insight on practices and areas to be improved and enriched toward more environmental-friendly as well as community-friendly projects.
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