Design of Cusum Scheme for Monitoring Road Accident Fatalities

Abstract

In recent years, road accident fatalities in Nigeria have continued to be on the increase. Thus, urgent attention is needed to reduce or eliminate road accidents fatalities. To achieve this goal, the cumulative sum (Cusum) control chart scheme was designed for monitoring the road accident fatalities using the recorded occurrence of road accident fatalities in a state in the western part of Nigeria. The designed Cusum detects the period of the years when the highest occurrence of road accident fatalities occurred. These periods were observed to be festive periods such as Christmas, Easter, Eid-elKabir, and Eid-el-Moluod. Therefore, the festive periods of the year should be used as benchmark by road managers as periods where more attention or precaution measure should be put in place on the roads to drastically reduce or eliminate high occurrence of road accident fatalities. The designed Cusum control chart can be adapted for other states in the country and also for the larger society for detecting the periods when the rate of death as a result of road accidents was prevalent.

A hybrid method based on P and P′ control chart for identifying hotspots

“…In this regard, they assigned specific weight to the injuries and death caused by car crashes; then, the Weibull distribution function was used to study the equivalent number of accidents. Adekeye and Aluko 60 proposed a cumulative control chart to assist the managers with a tool to monitor each location, identify the problems, and implement a proper strategy to reduce fatality rate. Rębisz 61 employed the control chart to study the dynamics of traffic accidents in many European countries.…”