SPATIAL ANALYSIS OF ACCIDENTS AT THE SUBURBAN INTERSECTIONS USING KERNEL DENSITY ESTIMATION AND SPATIAL AUTOCORRELATION METHODS

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ZEYNALI SAYE; HOSSEINALI FARHAD; SADEGHI NIARAKI ABOLGHASEM; KAZEMI BEYDOKHTI MOHAMMAD; EFFATI MEYSAM

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Journal: ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY Year:2015 | Volume:3 | Issue:2 Page(s): 21-42

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Title

SPATIAL ANALYSIS OF ACCIDENTS AT THE SUBURBAN INTERSECTIONS USING KERNEL DENSITY ESTIMATION AND SPATIAL AUTOCORRELATION METHODS

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Keywords

ROAD ACCIDENTQ2

INTERSECTIONQ3

SPATIAL AUTOCORRELATION METHODSQ2

KERNEL DENSITY ESTIMATIONQ2

GISQ2

Abstract

Today, the high number of the rural ROAD ACCIDENTs has shown that accidents at INTERSECTIONs organize high percentage of the total number of accidents. Meanwhile, the geographical information system (GIS) is considered as an appropriate tool for doing spatial analysis and analysis of accidents at INTERSECTIONs. Also, considering that the accident data are massive and non-homogenized, the methods of spatial autocorrelation and kernel estimation can present connected and more real models than samples of current spots in rural ROAD ACCIDENTs. The purpose of this research is spatial analysis of rural ROAD ACCIDENTs based on rural INTERSECTION or utilizing SPATIAL AUTOCORRELATION METHODS and estimation of kernel density. In the first stage, it considers appropriate criteria for spatial analysis of accidents in the old roads of Karaj-Qazvin in the 1388-1392 periods and were weighted by use of fuzzy analytic hierarchy process. Then, to identify accident prone INTERSECTIONs and investigation of their characteristics from autocorrelation functions of Getis-Ord Gi*, Anselin Local Moran's I and the KERNEL DENSITY ESTIMATION was used in order to investigate the spatial autocorrelation, each of the useable parameters in five successive years used as a Moran's I function. The results have shown that there are 26 accident-prone INTERSECTIONs towards Karaj-Qazvin path and 10 accident-prone INTERSECTIONs for returning, from the total INTERSECTIONs of two way path. Also, for path towards Karaj-Qazvin none of the parameters and for returning path the only parameter of accident type contained spatial autocorrelation in the five successive years.

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APA: Copy

ZEYNALI, SAYE, HOSSEINALI, FARHAD, SADEGHI NIARAKI, ABOLGHASEM, KAZEMI BEYDOKHTI, MOHAMMAD, & EFFATI, MEYSAM. (2015). SPATIAL ANALYSIS OF ACCIDENTS AT THE SUBURBAN INTERSECTIONS USING KERNEL DENSITY ESTIMATION AND SPATIAL AUTOCORRELATION METHODS. ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY, 3(2), 21-42. SID. https://sid.ir/paper/230111/en

Vancouver: Copy

ZEYNALI SAYE, HOSSEINALI FARHAD, SADEGHI NIARAKI ABOLGHASEM, KAZEMI BEYDOKHTI MOHAMMAD, EFFATI MEYSAM. SPATIAL ANALYSIS OF ACCIDENTS AT THE SUBURBAN INTERSECTIONS USING KERNEL DENSITY ESTIMATION AND SPATIAL AUTOCORRELATION METHODS. ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY[Internet]. 2015;3(2):21-42. Available from: https://sid.ir/paper/230111/en

IEEE: Copy

SAYE ZEYNALI, FARHAD HOSSEINALI, ABOLGHASEM SADEGHI NIARAKI, MOHAMMAD KAZEMI BEYDOKHTI, and MEYSAM EFFATI, “SPATIAL ANALYSIS OF ACCIDENTS AT THE SUBURBAN INTERSECTIONS USING KERNEL DENSITY ESTIMATION AND SPATIAL AUTOCORRELATION METHODS,” ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY, vol. 3, no. 2, pp. 21–42, 2015, [Online]. Available: https://sid.ir/paper/230111/en

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