The Impacts of Urban Expansion on Road Infrastructure Development: The case of Adama City, Lugo Sub-city, Oromia Region

Abstract

Many cities worldwide are growing very rapidly, leaving urban growth and road infrastructure planning with continuous challenges. Adama City Lugo Sub-City expanding rapidly, without considering the need of additional road infrastructure development. The study used explanatory and descriptive research methods. It also used primary data, which were obtained through systematic cluster sampling of 168 households, and purposively selected of 14 respondents totally 182 for sample survey and 14 professions purposively selected for interview and secondary data as well. In conducting the study, the required data was collected through questionnaires. The collected data were analyzed using descriptive statistics and GIS tools. The results showed, all land use changed six significant land use classes (housing, commercial, municipal services, manufacturing and ware house, road network and transportation and special function) have rapidly and actively changed. The road infrastructure provision is still insufficient and in poor condition. Most roads are insufficiently maintained and many streets and compacted earth, lack proper maintenance and absences of drainage is causing dust in dry season and mud during the rain seasons. The study showed urban expansion have contributed positively and negatively; positively it have brought an increasing in road length, the generation of sister infrastructures, changing social life and maintaining urban form and the study also showed that it have contributed negatively, on compensation cost, construction cost, socio economic and topographic impacts.