This thesis aims at investigating the challenges and barriers of reducing car dependency culture to achieve urban sustainability in Egypt. This is operationalised by identifying different policy options and theoretically examining a nested-case study empirically. A more important purpose behind this academic enterprise was to find more robust and nuanced explanations of the constant failure of the transport planning system in Egyptian cities. The adoption of a cultural-oriented analytical framework to examine decision-making processes demonstrated a way forward in the re-evaluation of current transport policy directions in Egypt.The research applies qualitative methods to a nested case study in Alexandria through the Sustainable Urban Transport Project, 2032. The rigorous data-collection methods included extensive documentary analysis, elite interviews, semi-structured interviews and non-participant observations. The results obtained from applying these unconventional methods of social and political sciences in transport planning studies show the richness of these research methods in providing comprehensive explanations. This research illustrates the value of placing policy and transport-planning-related studies into the centre of different research positions. The main contributions of this research are grounded on a number of key research findings. First, the development of a cultural-oriented analytical framework based on the central thesis of polyrationality. Second, the research pioneers the approach of identifying the relevant stakeholders and contexts in transport decision-making processes in Egypt which serves as a basis for other future transport-related research for Egypt. This research builds the foundation for conducting multidisciplinary research for transport planning studies. The final contribution of this research suggests the need for mediators or policy analysts who have relevant education and knowledge in the transport planning sector to influence the decision-making processes.