These parameters as references based on travel distances or durations are critical in many dimensions, particularly for commutes at various levels of TODs, that influence the efficiency of such an urban region. There should be controls over the scales of urban transportation systems to guarantee travel distances or time durations of mobility. Travel distances or time durations can control the scale of urban transportation systems, which furthermore control the scale of an urban region. The goal of the controls is to guarantee the scale and dimensions of urban environments. Therefore, it implies that there must be a controlled scale for the systematic structure, which is an urban structure.