Urban Planning: The process of designing and managing the physical layout of cities. Effective urban planning can help increase the quantity and efficiency of public transportation.
Mass Transit Systems: These are systems designed to transport large numbers of people in urban areas, such as buses or trains. Improvements in these systems lead to increased public transportation efficiency.
Sustainable Development: This is development that meets the needs of the present without compromising the ability of future generations to meet their own needs. Increasing public transportation quantity and efficiency contributes towards sustainable development by reducing reliance on private cars, which can reduce traffic congestion and air pollution.