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Critical Assessment of Microscopic Simulation Models for Simulating Turbulence around Motorway Ramps
| 题名： | Critical Assessment of Microscopic Simulation Models for Simulating Turbulence around Motorway Ramps |
| 正文语种： | 英文 |
| 作者： | Aries van Beinum; Erik Broekman; Haneen Farah; Wouter Schakel; Fred Wegman;Serge Hoogendoorn |
| 作者单位： | Faculty of Civil Engineering and Geosciences, Dept, of Transport and Planning, Delft Univ, of Technology;Dept, of Traffic and Roads |
| 摘要： | In current motorway design practice, microscopic simulation is used to assess the traffic safety and capacity implications of design variants. Many different simulation packages are available, and many researchers have invested effort in improving and calibrating models that describe driving behavior. This paper examines traffic simulation models for merging situations in high traffic volume. Based on a multicriteria analysis, two simulation software packages (VISSIM version 10 and MOTUS) were selected and calibrated using a recently collected set of rich empirical trajectory data from an on-ramp, an off-ramp, and two weaving segments in the Netherlands. The results show that both packages are as yet unable to simulate turbulent traffic around motorway ramps realistically, in terms of lane change locations and headway distribution. This is a drawback when assessing traffic operations for specific designs. The simulated gap acceptance distributions were found to have comparable shapes as they were derived from empirical data. This is an advantage when assessing the traffic safety of a specific design. |
| 出版日期： | 2020.01 |
| 出版年： | 2020 |
| 期刊名称： | Journal of Transportation Engineering |
| 卷： | Vol.146 |
| 期： | No.02 |
| 页码： | 04019066 |
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