Abstract
This study sought to find out a causal relationship between total lengths of road networks and the number of registered vehicles with the number of road deaths worldwide. The data mined from the World Health Organization and the CIA fact book were analyzed using the descriptive correlation method. It was found out that the total number of registered vehicles has a direct correlation with the number of road traffic deaths, while the total length of road networks has only an indirect correlation. These results supported the postulate of the Multiple Causation theory of accidents. It is recommended that reducing the number of vehicles on the road is key to the reduction of road traffic deaths.
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