کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1123723 1488542 2011 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Proactive detection of high collision concentration locations on highways
موضوعات مرتبط
علوم انسانی و اجتماعی علوم انسانی و هنر هنر و علوم انسانی (عمومی)
پیش نمایش صفحه اول مقاله
Proactive detection of high collision concentration locations on highways
چکیده انگلیسی

In previous research (Chung et al, 2009), the potential of the Continuous Risk Profile (CRP) to proactively detect the systematic deterioration of freeway safety levels was presented. In this paper this potential is investigated further, and an algorithm is proposed for proactively detecting sites where the collision rate is not sufficiently high to be classified as a high collision concentration location but where a systematic deterioration of safety level is observed. The approach proposed compares the weighted CRP across different years and uses the cumulative sum (CUSUM) algorithm to detect the sites where changes in collision rate are observed. The CRPs of the detected sites are then compared for reproducibility. When high reproducibility is observed, a growth factor is used for sequential hypothesis testing to determine if the collision profiles are increasing over time. Findings from applying the proposed method using empirical data are documented in the paper together with a detailed description of the method.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Procedia - Social and Behavioral Sciences - Volume 17, 2011, Pages 634-645