ADDIS ABABA SCIENCE AND TECHNOLOGY UNIVERSITY SCHOOL OF ARCHITECTURE AND CIVIL ENGINEERING ROAD AND TRANSPORT ENGINEERING STREAM Road Traffic Accident and Safety Evaluation Case of Hawassa City BY TARIKU GOTORO GOPILO A Thesis Submitted To the School of Graduate Studies Addis Ababa Science and Technology University In Partial Fulfillment of the Requirements for the Degree of Masters of Science in Civil Engineering (Road and Transport Stream). Advisor: Avinash Mahadevrao Potdar (Dr.) Addis Ababa, Ethiopia May, 2018