The Impact of Truck Proportion on Traffic Safety Using Surrogate Safety Measures in China
المؤلفون المشاركون
Zhang, H. Michael
Peng, Yichuan
Zhang, Shiwen
Lu, Jian
Chen, Shengdi
Xing, Yingying
المصدر
Journal of Advanced Transportation
العدد
المجلد 2020، العدد 2020 (31 ديسمبر/كانون الأول 2020)، ص ص. 1-15، 15ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2020-08-12
دولة النشر
مصر
عدد الصفحات
15
التخصصات الرئيسية
الملخص EN
The purpose of this study is to investigate the impact of the truck proportion on surrogate safety measures to explore the relationship between truck proportion and traffic safety.
The relationship between truck proportion and traffic flow parameters was analyzed by correlation and partial correlation analysis, and the value of the 85th percentile speed minus the 15th percentile speed (85%V–15%V) and the speed variation coefficient were selected as surrogate safety measures to explore the impact of truck proportion on traffic status.
The k-means algorithm and the support vector machine were employed to evaluate traffic status on a freeway under different truck proportions in different periods.
The major results are that the relationship between truck proportion and the value of 85%V–15%V and the speed variation coefficient is consistent in different aggregation periods.
With increasing truck proportion, the value of 85%V–15%V, as well as the speed variation coefficient, increases initially and then decreases.
In addition, the traffic flow status tends to be dangerous when the truck proportion ranges from 0.4 to 0.6 and when the value of 85%V–15%V and the speed variation coefficient are above 42 km/h and 0.223, respectively.
While the truck proportion is from 0.1 to 0.3 and from 0.7 to 0.9, the traffic flow is relatively safe on the condition that the value of 85%V–15%V and the speed variation coefficient were under 42 km/h and 0.223, respectively.
Therefore, the relationship between truck proportion and traffic safety could be well revealed by two surrogate safety measures, that is, the value of 85%V–15%V and the speed variation coefficient.
In addition, the k-means algorithm and the support vector machine can well reveal the impact of truck proportion on traffic safety in different periods.
The findings of this study indicate a need for decreasing the disturbance of mixed traffic and the impact of the truck proportion on traffic safety status.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Chen, Shengdi& Zhang, Shiwen& Xing, Yingying& Lu, Jian& Peng, Yichuan& Zhang, H. Michael. 2020. The Impact of Truck Proportion on Traffic Safety Using Surrogate Safety Measures in China. Journal of Advanced Transportation،Vol. 2020, no. 2020, pp.1-15.
https://search.emarefa.net/detail/BIM-1176133
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Chen, Shengdi…[et al.]. The Impact of Truck Proportion on Traffic Safety Using Surrogate Safety Measures in China. Journal of Advanced Transportation No. 2020 (2020), pp.1-15.
https://search.emarefa.net/detail/BIM-1176133
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Chen, Shengdi& Zhang, Shiwen& Xing, Yingying& Lu, Jian& Peng, Yichuan& Zhang, H. Michael. The Impact of Truck Proportion on Traffic Safety Using Surrogate Safety Measures in China. Journal of Advanced Transportation. 2020. Vol. 2020, no. 2020, pp.1-15.
https://search.emarefa.net/detail/BIM-1176133
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1176133
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر