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Comparative Univariate and Regression Survival Analysis of Lane-Changing Duration Characteristic for Heavy Vehicles and Passenger Cars
| 题名： | Comparative Univariate and Regression Survival Analysis of Lane-Changing Duration Characteristic for Heavy Vehicles and Passenger Cars |
| 正文语种： | eng |
| 作者： | Yang Li;Linbo Li;Daiheng Ni |
| 作者单位： | Key Laboratory of Road and Traffic Engineering of Ministry of Education Tongji Univ. 4800 Cao'an Rd. Shanghai 201804 China;Key Laboratory of Road and Traffic Engineering of Ministry of Education Tongji Univ. 4800 Cao'an Rd. Shanghai 201804 China;Dept. of Civil and Environmental Engineering Univ. of Massachusetts Amherst Amherst MA 01003 |
| 关键词： | Lane-changing (LC) behavior; LC duration; Heavy vehicles; Survival analysis; HighD dataset |
| 摘要： | In contrast to passenger cars, the lane-changing (LC) behavior of heavy vehicles has a more profound impact on traffic flow. This paper investigates LC duration characteristics for heavy vehicles and passenger cars through comparative univariate and regression survival analysis. LC events are extracted from the HighD dataset. Five commonly-used univariate survival models are introduced to explore the overall survival function of LC duration between passenger cars and heavy vehicles. Three accelerate failure time models are employed to investigate the difference of the influencing factors of LC duration. Our results demonstrate that a significant difference exists in LC characteristic between these two types of vehicles. The survival curve of heavy vehicles is always above that of passenger cars, and these two curves show a trend of moving away from each other and then gradually approaching. The median survival time (MST) of heavy vehicles is 0.57 s higher than passenger cars. Heavy vehicles would maintain a longer time-headway and distance-headway with preceding vehicle when changing lane, and their LC durations are less susceptible to such interactions with the preceding vehicle and more susceptible to their own speed. Finally, the main findings, modeling implications, practical applications, and future work have been discussed. We hope this paper could contribute to our further understanding of LC behaviors of heavy vehicles and passenger cars. |
| 出版年： | 2022 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | 148 |
| 期： | 12 |
| 页码： | 04022109.1-04022109.9 |
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