Abstract
Vietnam has been investing heavily in infrastructure to support its economic and social development. However, slow site clearance (SSC) is a common issue affecting the progress and efficiency of infrastructure projects. This study explores the primary causes of SSC and develops a model to assess its impact on project efficiency. SSC factors were identified through a literature review and expert opinions, and a structured questionnaire was used to survey project personnel. The results highlighted five key SSC-related factors: inadequate land recovery enforcement, prolonged clearance processes, imbalanced compensation policies, unclear regulations, and high population density. In addition, the findings indicated that SSC factors accounted for 76.73% of the total explained variance. The modeling results further validated the impact of SSC on project efficiency, identifying two principal components: finance-related and support-related. These findings provide valuable insights into addressing SSC challenges in road projects for a developing country like Vietnam.
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