Intrinsic Safety Evaluation for Urban Road Traffic Based on Information Entropy and Triangular Fuzzy Number

Abstract

Abstract. Road traffic safety is a major problem, especially in low-and middle-income countries. This study attempted to evaluate traffic safety based on the concept of intrinsic safety, which can provide theoretical support for the road traffic management departments. The evaluation weight calculation about the pre-weight of the second level evaluation index based on the information entropy, and then calculates the final weight by combing qualitative and quantitative methods. The weight of the third level evaluation index using the triangular fuzzy number method. In order to verify the effectiveness and feasibility of the method via a case study. by computing the proportions of evaluation indexes based on the model, we found that the ranking is intrinsic human>intrinsic road and environment>intrinsic vehicle. However, the gap about the proportion of the three is small. Furthermore, the sub factors ranking influencing factors as follows: the human's alertness = road and the environment's completeness>vehicle's technical>human's self-consciousness >natural conditions >vehicle's maintenance. Given the objectivity of the model in the paper, especially using the entropy weight method to calculate the weight of the index factors. The result of the evaluation for the model is similar with current situation of road traffic safety, thus, it can be taken as a valuable reference to promoting the traffic safety. So it can provide theoretical basis for urban road transport departments to formulate relevant policies.

Philosophy and Meanings of the Information Entropy Analysis of Road Safety: Case Study of Russian Cities

“…The article [87] proposes a new method of urban rail accident risk analysis based on complex networks that studies the location and cause of risks separately and adds mechanical connection, signal connection and electrical connection among risk points on the basis of traditional causal factors. The ideas presented in [80][81][82][83][84][85][86][87] are in good agreement with the conclusions presented in this article.…”

“…An important part of any study is comparing the findings with those of other scientists. So, it is necessary to refer to the results of research [80][81][82][83][84][85][86][87].…”

“…The study [80] attempted to evaluate traffic safety based on the concept of intrinsic safety. G. Tingting et al [80] conclude that «ranking influencing factors on road safety are: the human's alertness > road and the environment's completeness > vehicle's technical > human's self-consciousness > natural conditions > vehicle's maintenance».…”

“…The study [80] attempted to evaluate traffic safety based on the concept of intrinsic safety. G. Tingting et al [80] conclude that «ranking influencing factors on road safety are: the human's alertness > road and the environment's completeness > vehicle's technical > human's self-consciousness > natural conditions > vehicle's maintenance». At the same time, they refer not only to their research but also to articles Z. Rui and Y. Zhenhong [81], Z. Wei and L. Xiaojing [82], Q. Chen and C. Xiaofang [83], L. Honghong and W. Ni.…”

Comprehensive Evaluation of the Sustainable Development of Power Grid Enterprises Based on the Model of Fuzzy Group Ideal Point Method and Combination Weighting Method with Improved Group Order Relation Method and Entropy Weight Method

“…For qualitative criteria, experts use linguistic variables to score the criteria of the evaluated objects, and transform the scoring results into triangular fuzzy numbers [37][38][39]. The correspondence between evaluation linguistic variables and triangular fuzzy numbers is shown in Table 3: Table 3.…”