Assessment of Impacts of Road Infrastructure Using GIS and Remote Sensing: A Case Study of Yatta Sub County
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064

Research Paper | Geography | Kenya | Volume 5 Issue 2, February 2016

Assessment of Impacts of Road Infrastructure Using GIS and Remote Sensing: A Case Study of Yatta Sub County

Peter Muthama, Kenneth Mubea, Charles N. Mundia

Roads play an important role in infrastructure and services in rural development. This is well established in the development literature. There is a direct link which exists between productive investments and growth, social and economic infrastructure (such as roads, electricity, water and sanitation, and communications) facilitates and integrates economic activities. The purpose of this study was to assess the impact of road infrastructure in Yatta Sub County. Descriptive research design was used for the study. GIS and remote sensing were used to capture images on road infrastructure while questionnaires were used to collect data from farmers and business owners. Simple random sampling technique was used to sample respondents for the study. A total of 50 respondents were sampled for the study where all responded giving 100 % repose rate. Descriptive statistics such as frequencies ad percentages were used to analyze the quantitative data collected through questionnaires. Qualitative data collected through open ended questions were analyzed thematically. Pre-processing of images involved layer staking, radiometric correction, pan-sharpening, atmospheric correction and sub setting while post-processing of images involved Image classification, creating training sites, generating statistical tables, accurate assessment and ground survey using GPS for ground truthing. The study found that roads which cover the Sub County are not sufficient to serve the people of Yatta Sub County effectively. Most of the in-roads in this sub County are in very poor conditions whereby people need to use motor cycle to reach their destinations. The findings revealed that most of the vehicles avoid using earth surface roads as they spent more money on maintaining the vehicles. Where roads are in good conditions, growth of towns such as Matuu, Kithimani and Katangi has greatly been realized. The poor road conditions led to high costs of living and doing business with more time spent on movement from one place to another and difficulty in accessing social facilities. The study recommended that the roads in Yatta Sub-County should be upgraded to facilitate movement of people and goods and that the County Government of Machakos should embrace use of GIS in decision making and planning.

Keywords: Road infrastructure, GIS and remote sensing, image processing

Edition: Volume 5 Issue 2, February 2016

Pages: 1210 - 1219

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How to Cite this Article?

Peter Muthama, Kenneth Mubea, Charles N. Mundia, "Assessment of Impacts of Road Infrastructure Using GIS and Remote Sensing: A Case Study of Yatta Sub County", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=NOV161352, Volume 5 Issue 2, February 2016, 1210 - 1219

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