This study sought to establish the relationship between residential density and traffic congestion. The study adopted a cross-sectional survey design and a mixed method approach. Data was collected from 384 households in Harare Metropolitan Region using structured questionnaires and semi-structured interviews. Structural Equation Modelling was used to test the relationship among residential density, vehicle miles travelled and traffic congestion. The findings revealed that there is a direct relationship between residential density and traffic congestion. In addition, the study also confirmed that vehicle miles travelled mediates the relationship between residential density and traffic congestion. Theoretical and practical implications emanating from the study are discussed.
The interaction between transport, land-uses and travel patterns produce diverse transportation problems in urban cities with traffic congestion as the most visible manifestation. Traffic congestion is a frequent phenomenon in most cities around the globe. This paper reviews the interaction between land-use traffic congestion through published literature. The objective of this study is to encourage and provide researchers with future research directions in land-use and traffic congestion. For this purpose, a systematic review was performed analysing 45 articles from the year 2010 to 2020 using a descriptive approach. Subsequently, the results of the study show that although the interaction between land-use and traffic congestion has gained currency in developed countries far less is known on this subject in developing parts of the world, though new evidence is steadily accumulating. Consequently, limitations of this work are presented, opportunities are identified for future lines of research. Finally, the conclusion confirms the need for further research addressing the methodological concerns
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