کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
292748 1363106 2016 9 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Development and application of traffic accident density estimation models using kernel density estimation
ترجمه فارسی عنوان
توسعه و پیاده سازی مدل های برآورد تراکم حادثه ترافیک با استفاده از برآورد چگالی
کلمات کلیدی
ایمنی ترافیک؛ برآورد چگالی (KDE). نقاط؛ منطقه 30
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی هوافضا
چکیده انگلیسی

Traffic accident frequency has been decreasing in Japan in recent years. Nevertheless, many accidents still occur on residential roads. Area-wide traffic calming measures including Zone 30, which discourages traffic by setting a speed limit of 30 km/h in residential areas, have been implemented. However, no objective implementation method has been established. Development of a model for traffic accident density estimation explained by GIS data can enable the determination of dangerous areas objectively and easily, indicating where area-wide traffic calming can be implemented preferentially. This study examined the relations between traffic accidents and city characteristics, such as population, road factors, and spatial factors. A model was developed to estimate traffic accident density. Kernel density estimation (KDE) techniques were used to assess the relations efficiently. Besides, 16 models were developed by combining accident locations, accident types, and data types. By using them, the applicability of traffic accident density estimation models was examined. Results obtained using Spearman rank correlation show high coefficients between the predicted number and the actual number. The model can indicate the relative accident risk in cities. Results of this study can be used for objective determination of areas where area-wide traffic calming can be implemented preferentially, even if sufficient traffic accident data are not available.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Traffic and Transportation Engineering (English Edition) - Volume 3, Issue 3, June 2016, Pages 262–270
نویسندگان
, , , , , ,