Overruns in Transport Infrastructure Projects: A View from the Inside Out
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Cost and schedule overruns are endemic features of transport infrastructure projects. Despite the considerable amount of research within the field of transport and planning in the past 30 years, limited progress has been made to improving the performance of projects. We contend that this will continue to be an issue as long as research efforts focus on the ‘outside view’ with emphasis being placed upon strategic misrepresentation and optimism bias. Understanding ‘why’ and ‘how’ projects overrun, particularly from both outside’ and ‘inside’ perspectives, is pivotal to reducing their impact and occurrence. Thus, in conjunction with the transport and planning literature, reference to cost overrun studies undertaken within the field of construction and engineering are examined, particularly with reference to the points for determining the pre and post contract award stages as they are intimately connected. The objective of this paper is to provide policy makers, industry, voluntary organizations and the public at large with an ameliorated understanding about time and cost overrun phenomenon. Suggestions to mitigate overruns based upon recent process and technological innovations are identified and discussed.
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Love, Peter; Sing, Michael; Wang, Xiangyu; Irani, Z.; Thwala, D. (2014)Transportation infrastructure projects are prone to cost and schedule overruns. At the time of contract award, a construction contingency budget is often used to accommodate for unplanned events such as scope changes. ...
Cost overruns in transportation infrastructure projects: Sowing the seeds for a probabilistic theory of causationLove, Peter; Ahiaga-Dagbui, D.; Irani, Z. (2016)© 2016 Elsevier LtdUnderstanding the cause of cost overruns in transportation infrastructure projects has been a topic that has received considerable attention from academics and the popular press. Despite studies providing ...
Aje, O.; Olatunji, Oluwole; Olalusi, O. (2017)Purpose: Evidence suggests project owners could use advance payments to prevent cost escalations. The purpose of this paper is to elicit the relationships between causations of overruns when advance payments are issued ...