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Driver Behavior on Exit Freeway Ramp Terminals Based on the Naturalistic Driving Study
| 题名： | Driver Behavior on Exit Freeway Ramp Terminals Based on the Naturalistic Driving Study |
| 正文语种： | eng |
| 作者： | Mohannad Alyamani;Yasser Hassan |
| 作者单位： | Dept.of Civil Engineering Collage of Engineering and Islamic Architecture Umm Al-Qura Univ. Makkah 24382 Saudi Arabia;Dept.of Civil and Environmental Engineering Carleton Univ. Ottawa ON Canada K2C 0R2 |
| 关键词： | Freeway exit ramp terminal; Deceleration lane; Speed change lane (SCL); Driver behavior; Naturalistic Driving Study (NDS) |
| 摘要： | Using trip data from the SHRP-2 Naturalistic Driving Study (NDS) database collected at 12 sites in three states across the United States, this paper investigates driver behavior at freeway exit ramp terminals. First, the study qualitatively assesses driver speed behavior as they navigate the speed change lane (SCL) and the ramp. Starting at the beginning of the SCL and continuing after diverging onto the ramp controlling curve, a trend of continuous vehicle deceleration was evident, which continued throughout the SCL and ramp. It was also evident that a portion of drivers have a tendency to diverge onto the SCL on the taper and before the SCL has begun, where this behavior is dominant on the taper-type SCL. In general, statistical analysis revealed that the speed measures of driver behavior follow a normal distribution. The speed and deceleration measures at the study sites were statistically and significantly different, with the differences likely related to the geometric characteristics of each site. The data were then used to develop prediction models for the speed and deceleration measures. To account for the repeated measures induced by the same drivers in the dataset, linear-mixed models were developed for the speed and deceleration behavior measures. |
| 出版年： | 2023 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | 149 |
| 期： | 1 |
| 页码： | 04022120.1-04022120.10 |
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