Strategic management is regarded as one of the utmost forms of management activities in the South African government, the sector is under increasing pressure to improve outcomes and increase the output of their organizations, while simultaneously improving efficiencies and effectiveness. Although, strategic management aims to integrate the planning function within the overall management risk, but there are different views about what it entails. Many authors have challenged its effectiveness and applicability to public organisations. It is on that basis, that this paper provides reflections on some critical barriers to implementation of strategic management in the public sector theoretically. After presenting a conceptual model, it will examine several important factors that influence the failure or shortcomings of public sector strategic management. This article purposed to increase awareness of the fundamental importance of strategic management in government; discuss the strategic management process, describe the important elements in a holistic model of strategic management, and examine several important factors that influence the failure or shortcomings of public sector strategic management. This paper seeks to present the findings of the study undertaken to evaluate the effectiveness of strategic management in the public service. The study will employ a qualitative approach in the form of a case study research method targeting the Department Of Public Works, Roads & Transport, Mpumalanga Province. This paper recommends a strategic management model for the Public service that will; urge management to see the department as a system that is influenced by and also influences other systems within its environment to achieve its objectives. Finally, recommendations are made and conclusions drawn.