This report provides a comprehensive analysis of project management principles, using the Cross Rail project as a case study. The introduction emphasizes the importance of effective project management for achieving project goals and objectives, highlighting the crucial role of project managers. The report then delves into the success and failure factors associated with the Cross Rail project, examining aspects such as increased rail capacity, improved connectivity, and economic impact. It also discusses the project's challenges, including delays and budget overruns. The lessons learned section emphasizes the need for skilled project managers, effective recruitment strategies, and robust planning. Recommendations include clear communication of priorities, thorough supply chain evaluations, and early assessment of project complexities. A reflective report offers insights into the skills required for effective project management, such as leadership, communication, negotiation, organization, and team management. The report concludes by summarizing the key takeaways and reinforcing the significance of project management in achieving desired outcomes, emphasizing the importance of adaptability, strategic planning, and skilled execution.