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Schedule delays of major projects: what should we do about it?

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  • Jung Eun Park

Abstract

Cost overruns and schedule delays are one of the most common reasons for project failure. Although schedule delays not only result in significant financial implications to project sponsors but also lead to substantial social costs to the public, scant attention has been dedicated to schedule delays [Padalkar, M., & Gopinath, S. (2016). Six decades of project management research: Thematic trends and future opportunities. International Journal of Project Management, 34(7), 1305–1321]. This study therefore investigates the frequency, magnitude, and characteristics of schedule delays occurring during the construction of 113 large public procurements built in the U.S. and the U.K. between 1999 and 2018. Through tests of hypotheses, this study finds that there is a gap between presumptions and reality. Although extensive efforts were made to project controls in the U.S. and the U.K. over the last two decades, this study also finds that project performance has not improved at all from a schedule perspective. In order to address the issue, this study then suggests reference class forecasting to develop more realistic and reliable schedule estimates.

Suggested Citation

  • Jung Eun Park, 2021. "Schedule delays of major projects: what should we do about it?," Transport Reviews, Taylor & Francis Journals, vol. 41(6), pages 814-832, November.
    • Handle: RePEc:taf:transr:v:41:y:2021:i:6:p:814-832
    DOI: 10.1080/01441647.2021.1915897
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    Cited by:

    1. LaPatin, Michaela & Spearing, Lauryn A. & Tiedmann, Helena R. & Hacker, Miriam & Kavvada, Olga & Daniélou, Jean & Faust, Kasey M., 2023. "Controversy in wind energy construction projects: How social systems impact project performance," Energy Policy, Elsevier, vol. 176(C).
    2. Vazquez, Alexei & Marasinou, Chrysostomos & Kalogridis, Georgios & Ellinas, Christos, 2024. "Activity delay patterns in project networks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 637(C).
    3. Taro Katsurai & Daisuke Sasaki & Ryo Fujikura, 2022. "What Determines the Time Efficiency of the Purchasing Phase of Public Procurement in Developing Countries: Evidence from Japanese ODA Loans," Working Papers 229, JICA Research Institute.

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