Over the years South African railway company embarked on a Market Demand Strategy (MDS), a capital investment program for expanding the organization’s infrastructure. The MDS entailed many programs, with one of them being the 81 million tons per annum (mtpa) program, which was baselined to be finished by September 2017, but the electrical power upgrade cluster was delayed. The current research determined the root causes of delays in railway substation projects. The research presented preventative measures and mitigations suitable to address the root causes of delays. The study was conducted through semi-structured interviews to obtain primary data and review the project administrative database to obtain secondary data. The study revealed thirty-three root causes of delays in the undertaken railway substation project. Furthermore, the study proposed comprehensive preventative measures and remedial actions to manage delays in railway substation projects.