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Association between Truck Crashes due to Mechanical Failure and Truck Age
Journal of Advanced Transportation ( IF 2.3 ) Pub Date : 2021-04-15 , DOI: 10.1155/2021/8857458
Jaeyoung Lee 1 , Suyi Mao 1 , Mohamed Abdel-Aty 2 , Yanqi Lian 1 , Lishengsha Yue 2 , Ilsoo Yun 3
Affiliation  

There have been efforts to restrict older trucks in many jurisdictions all over the world. The primary goal of the restrictions is to minimize greenhouse gas emissions. In addition to the environmental benefits, it is also possible that the truck age restriction could contribute to the enhancement of traffic safety. Older trucks are subject to longer travel-miles than newer trucks and tend to have higher mechanical failure rates. Extremely few studies have been done to explore the impact of trucks’ age on their crash occurrence due to mechanical problems. This study aims to investigate the association between the truck crashes due to mechanical issues and the truck age. Two approaches are adopted to achieve the objective. First, a chi-square test reveals that the proportions of the mechanical failures among older trucks are higher than those among newer ones ( = 256.199, ). Second, the modeling results indicate that the number of truck crashes due to mechanical failures is significantly increased by the truck age. The findings suggest that policies restricting older trucks should consider not only environmental effects but also traffic safety benefits.

中文翻译:

机械故障引起的卡车碰撞与卡车寿命之间的关联

世界各地的许多司法管辖区都在努力限制旧卡车。限制的主要目标是最大程度地减少温室气体排放。除了对环境有益之外,限制卡车使用年限还可能有助于提高行车安全性。与新卡车相比,旧卡车的行驶里程更长,并且机械故障率也更高。很少进行研究来探讨卡车的寿命对由于机械故障而导致的撞车事故的影响。这项研究旨在调查因机械问题而导致的卡车撞车与卡车寿命之间的关联。为了达到该目的,采用了两种方法。第一的, = 256.199, )。其次,建模结果表明,由于机械故障而导致的卡车撞车次数因卡车的使用年限而显着增加。研究结果表明,限制旧卡车的政策不仅应考虑环境影响,还应考虑交通安全利益。
更新日期:2021-04-15
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