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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
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Temporal Analysis of Road Accidents by ARIMA Model : Case of Tunisia


Volume 24, Issue 4, November 2018, Pages 1544–1553

 Temporal Analysis of Road Accidents by ARIMA Model : Case of Tunisia

Aymen Ghédira1, Karim Kammoun2, and Chaker BEN SAAD3

1 Université de Tunis, School of Economics and Commerce, DEFI Laboratory, Tunisia
2 University of Sfax, the Higher Institute of Industrial Management of Sfax, Tunisia
3 University of Sfax, the Higher Institute of Industrial Management of Sfax, Tunisia

Original language: English

Copyright © 2018 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Tunisian policy for road safety is neither clear nor reliable. Each road organism acts on own its side without any coordination with other stakeholders and therefore without achieving results. This paper aims to facilitate the decision-making process on road safety in Tunisia through the time series analysis of road accidents. The analysis work will allow identifying better the respective weight of the factors associated with the road accident frequency. Methodologically, ARIMA (Auto-Regressive Integrated Moving Average) model is used to meet our above goal. Moreover, the methodology of Box Jenkins intervenes as a statistical solution to solve the problem of time series analysis. The results show that the time series of accidents are mainly characterized by two different periods in terms of trend. A low decrease in the number of accidents before the revolution (2011) (between 2007 and the end of 2010) and the irregular evolution in the rest of the series. Then, models are developed in accident cases and ARIMA (0, 1, 2) is identified as the best model. A three-year forecast is made using the best model and it shows that the number of road accidents would decrease due to several factors in Tunisia. Consequently, this study shows that the temporal analysis of the time series of road accidents can attract the attention of decision-makers to the importance of the application of key road safety measures in the short, medium and long term as well as the nature of the relationship between the different decision-makers horizons.

Author Keywords: Road safety, Time series analysis, Road accidents, ARIMA.


How to Cite this Article


Aymen Ghédira, Karim Kammoun, and Chaker BEN SAAD, “Temporal Analysis of Road Accidents by ARIMA Model : Case of Tunisia,” International Journal of Innovation and Applied Studies, vol. 24, no. 4, pp. 1544–1553, November 2018.