التحليل المكاني و الزماني لمواقع الحوادث المرورية بمدينة الرياض باستعمال نظم المعلومات الجغرافية

الملخص EN

The study of traffic accidents from the spatial and temporal aspect, aims to reduce the incident of traffic accidents, this study focuses on traffic accidents in Riyadh city in a joint project between the High Commission for the Development of Riyadh City and the General Directorate of Traffic.

The aim of this study is to analyze the traffic accidents and to know their characteristics spatially and temporally and display their results in Riyadh during 7 years from 2004 to 2010This study methodology has followed the descriptive approach and analytical through the use of a range of analysis using GIS methods, and the most important results of this study showed that the spatial factors were concentrated in specific densities in the city of Riyadh, Center of Riyadh between West of Riyadh from the east of Riyadh and a minor part of the north of Riyadh, accidents of serious injuries by 70.53% Accident and 21.13% deaths Accident and results of temporary analysis showed that the accidents that occurred on Wednesday is the Highest incidence of accidents By 15.93% Accident, and most accidents, which accounted for 88.76% Accident in the atmosphere, factors affecting the largest cause of accidents is the sudden deviation of 27.75% Accident and that the dangerous accidents were on the highways and dangerous sites In the occurrence of Traffic accidents and is the southern ring the most accidents that occurred among other highways because of the sudden deviation of the mo St important causes in accidents by 90 accident for this reason, which leads other causes, and that the road contains dangerous curves compared to other highways.The frequency distribution of accidents during the study period is evident from the presence of many road extensions, which are concentrated in accidents in the south, east and west.

Traffic accidents are specifically concentrated in neighborhoods such as the oud, western arches, roses, eastern breeze, western breeze and King Fahd.

The temporal analysis, the reality of traffic accidents in the years of study and knowledge of their concentration in the months, weeks, days and even hours of the day, where he is on Wednesday of more days in traffic accidents and recorded the highest number of Occurrence of traffic accidents between 12 am to 1 pm and is the month of Oct The correctness of the highest month in terms of traffic accidents among the other months.