Evaluating the Safety Performance of Freeway Traffic Safety Facilities

This study developed a safety evaluation model of freeway traffic safety facilities based on grey entropy weight clustering. Firstly, a safety evaluation system of freeway traffic safety facility was proposed which includes six aspects. Then, whitenization weight function was defined and weights of indexes were determined by the entropy theory. The grey entropy clustering coefficient was calculated and the safety level of a freeway traffic safety facility was evaluated afterwards. Finally, a case study of a 5.5-km segment of the Yun-Luo freeway was conducted to verify the feasibility and effectiveness of the model.

• Record URL:
  • https://doi.org/10.1061/9780784413623.232
• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/isbn/9780784413623
• Supplemental Notes:
  • © 2014 American Society of Civil Engineers.
• Corporate Authors:

  American Society of Civil Engineers

  1801 Alexander Bell Drive
  Reston, VA  United States  20191-4400
• Authors:
  • Liang, Qiyu
  • Wan, Qian
  • Zheng, Baoli
  • Yang, Tao
  • Guo, Yanyong
• Conference:
  • 14th COTA International Conference of Transportation Professionals
  • Location: Changsha , China
  • Date: 2014-7-4 to 2014-7-7
• Publication Date: 2014-6

Language

• English

Media Info

• Media Type: Web
• Features: References;
• Pagination: pp 2433-2440
• Monograph Title: CICTP 2014: Safe, Smart, and Sustainable Multimodal Transportation Systems

Subject/Index Terms

• TRT Terms: Cluster analysis; Freeway operations; Highway facilities; Thermodynamic entropy; Traffic safety
• Uncontrolled Terms: Safety performance
• Geographic Terms: China
• Subject Areas: Highways; Safety and Human Factors; I82: Accidents and Transport Infrastructure;

Filing Info

• Accession Number: 01531329
• Record Type: Publication
• ISBN: 9780784413623
• Files: TRIS, ASCE
• Created Date: Jul 24 2014 3:21PM