Thriving city sporadically in suburban areas will form a mega urban. The condition occurs due to the construction of housing clusters spread and done without following land use policy and the development progress across intercity or inter-district administrative area. The purpose of this study is to identify and analyze the development of mega cities of the transport infrastructure network in suburban areas and to analyze the integration of urban development and the concept of transport infrastructure networks development. The location of this study is the development area of the City of Makassar, which is in the east and in the south of the city. Data were obtained through direct observation of various land use and development of road networks and transportation nodes. These studies found that the City of Makassar extends horizontally to the south and east with many low intensity buildings spread sporadically and form a mega urban without following the hierarchy of road network and without public transport services. Also, the development of the City of Makassar has caused high people mobility toward service centers in the city.