Human error analysis using systematic human error reduction and prediction approach (SHERPA) on operation process of Taksi Kosti Solo

It can not be denied that along with the increasing number of vehicles on the road, the number of traffic accidents naturally facing increment. This research identifies and analyzes potential errors that Taksi Kosti Solo drivers experienced during driving. In this research, Systematic Human Error Reduction and Prediction Approach (SHERPA) method is used to identify potential errors during driving and analyze the potential errors. The findings suggest that there are 21 potential of critical errors that consist of 11 errors of action type error and 10 errors of check type error are found. Meanwhile retrieval, communication and selection type of error are not found. Suggestion of improvement, such as giving briefing, making checklist of taxi condition and making Standard Operating Procedure (SOP) of taxi operation process are presented to reduce the potential errors.