原文传递
Influence of Smartphone Apps with Driving Safety Related Diagnosis Functions on Expressway Driving Speed Changes
| 题名： | Influence of Smartphone Apps with Driving Safety Related Diagnosis Functions on Expressway Driving Speed Changes |
| 其他题名： | Gargoum,S.A.,and EI-Basyouny,K.(2016)."Exploring the association between speed and safety:A path analysis approach."Accid.Anal.Prev.,93,32-40. |
| 正文语种： | 英文 |
| 作者： | Ying Jiang |
| 关键词： | Driving behavior;Smartphone app;Speed limit compliance;Acceleration/deceleration;Driving stability;Multilevel ordered probit model;Japan |
| 摘要： | An increasing number of smartphone apps with driving safety diagnosis functions have been developed in the market; however, empirical evidence on whether these apps are actually effective in promoting road safety or not is limited. This study examines how the use of a global positioning system (GPS)-enabled smartphone app with driving safety related diagnosis affects changes in driving behaviors on expressways. The app was developed by the authors as a simplified diagnosis tool using only GPS information. The app can measure three types of driving safety related indicators second by second, i.e., speed limit compliance, acceleration/deceleration, and driving stability, in addition to a set of subjective driving safety related indicators. This study used 187,549 epochs (2 s=epoch) as the analysis unit, collected from 15 drivers who made 201 trips during a three-month driving experiment on expressways in the western part of Japan in 2014. To account for the influence of drivers' unobserved heterogeneity in driving speed control behavior, this study built a multilevel ordered probit model. Model estimation results confirmed that, during a three-month period, using the app contributes to less dangerous driving as measured by compliance level with the speed limit; however, its effects on acceleration/deceleration and driving stability were limited. The effects of some additional functions of the app on improvement in driving safety related performance were mixed. Finally, it was revealed that drivers' heterogeneous driving propensity is significantly influential to actual driving safety related performance. |
| 出版年： | 2018 |
| 论文唯一标识： | P-72Y2018V144N01006 |
| 英文栏目名称： | TECHNICAL PAPERS |
| doi： | 10.1061/JTEPBS.0000098 |
| 期刊名称： | Journal of Transportation Engineering |
| 拼音刊名(出版物代码)： | P-72 |
| 卷： | 144 |
| 期： | 01 |
| 页码： | 42-55 |
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