Gis Based Road Traffic Accident Blackspot Sites Mapping: The Case of Hosanna Town
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Date
2017-05-22
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Addis Ababa University
Abstract
This study tried to identify the spatial distribution of accidents after collecting four years
secondary data from Hosanna Administration Traffic Police Office. DEM was downloaded
from USGS earth explorer of ASTER satellite image of 30mx30m resolution relief of the area.
Road network of asphalt and gravel roads of Hosanna town was digitized from the google
earth. Accident data from the field was collected using GPS and then, overlaid in road
network of the study area. Finally, black spot areas were mapped using spatial analyst tools
of GIS. This study showed the black spot sites in areas where there were zebra road
crossings, squares, and crossroads. These black spot sites were mapped.
Traffic accident data analysis in Hosanna during the study period showed
that major victims of road traffic accident in Hosanna were 65% pedestrians, 72%
economically active citizens, and 85% of male. The material destruction in Hosanna
estimated to be more than one million Ethiopian Birr. Road traffic accident was caused by
many factors like human errors, roads conditions, weather conditions, light conditions and
vehicle conditions. most accidents were caused by drivers’ errors. These are negligence of
drivers, gap of driving skills and experiences and low level of education, driving with the
speed beyond expected and failure to keep driving ethics like giving priority for pedestrians and other vehicles.
These human errors that needs to be rectified by promoting education and awareness
creation. The government also ought to check enforcement of traffic law in the Town.
Key words: Road traffic accident, GIS, GPS, Hosanna Town, Road transport, blackspots
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Keywords
Road Traffic Accident, Hosanna Town, Road Transport, blackspots, GIS GPS