A Heckman selection model for the safety analysis of signalized intersections

• المؤلفون الرئيسيون: Xu, Xuecai, Wong, S. C., Zhu, Feng, Pei, Xin, Huang, Helai, Liu, Youjun
• مؤلفون آخرون: Ma, Xiaolei
• التنسيق: مقال
• اللغة: English
• منشور في: 2017
• الموضوعات: Heckman Selection Model; Safety
• الوصول للمادة أونلاين: https://hdl.handle.net/10356/86683; http://hdl.handle.net/10220/44174

Purpose: The objective of this paper is to provide a new method for estimating crash rate and severity simultaneously. Methods: This study explores a Heckman selection model of the crash rate and severity simultaneously at different levels and a two-step procedure is used to investigate the crash ra...