Abstract
Bus transportation performance must be able to demonstrate safety performance capabilities, one of which is the condition of the vehicle. Therefore, to achieve bus vehicles' safety performance, research must be carried out to determine the causes of accidents. This study aims to determine the causes of accidents related to vehicle conditions. Some of the variables that are observed include brake, wheel, equipment, stability, and worthiness. The data collection method used is to collect secondary data on the incidence of accidents from each Resort Police Office in each district traversed by the intercity public bus route. The roads traversed by the public bus transportation routes between the cities that are the object of the study include Sidoarjo Regency, Pasuruan Regency, Probolinggo Regency, Mojokerto Regency, Madiun Regency, and Ngawi Regency. The analytical method to obtain mathematical modeling is to use Principal Component Analysis (PCA). The results show that five factors analyzed, four main actors, cause intercity bus accidents, namely brakes, wheels, stability, and worthiness. The four factors are interrelated with each other, where these factors support each other and trigger accidents and obtained a mathematical model of the factors causing the accident which can be explained by two mathematical equations, namely PC1=0.61X1+0.70X2+0.46X3+0.63X4+0.72X5 and PC2= 0.47X1 0.17X2+0.76X3 0.26X4+0.31X5. The study results also illustrate that accidents caused by an inappropriate wheel are always followed by a breakdown of the braking system that is not functioning properly, and the wheel system consisting of wheel and brake conditions will be a problem triggering the accident
Highlights
Inter-city bus public transport in Indonesia still needs to be improved, both about direct service to bus passengers and aspects of road traffic safety
This study aims to identify the incidence of accidents involving inter-city buses and formulate the factors that cause accidents and make mathematical modeling
The vehicle’s condition with a wheel leaning problem is followed by a brake condition that is not functioning correctly. It shows that the wheel system consisting of wheel and brake conditions will be a problem triggering accidents
Summary
Inter-city bus public transport in Indonesia still needs to be improved, both about direct service to bus passengers and aspects of road traffic safety. Complaints who feel that there are still many unsatisfactory things for users of public transport buses between cities. The frequent accidents involving buses indicate that Indonesia’s intercity bus safety management system is still lacking. The issue of transportation safety issues is the reason for the condition of road transportation. There are still many aspects that need to be addressed [1, 2]. In the safety of inter-city public bus transportation in Indonesia, the National Transportation
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