Road and bridge infrastructure development has a fundamental role in driving economic growth, enhancing interregional connectivity and improving the quality of life. However, many infrastructure construction projects in Indonesia often face challenges during their implementation, particularly in the early stage that crucial for the overall success of the project. One such project that has encountered problem is the Sidoarjo-Malang City Limit Road and Bridge Preservation Project in East Java Province. This study aims to identify the factors causing delays in this project and propose mitigation solutions that can be implemented to improve project management in the future. The method used in this study was a quantitative approach with analysis using the Fault Tree Analysis method, the result showed that technical factors, project management, and external factors contributed significantly to the delay with a very high probability. There are nine factors causing the delay categorized as highly significant while several other factors such as damage by third parties and delays in equipment procurement were less significant.
Fauzi et al. (2025) studied this question.