What is it about?
We observed overtaking manoeuvres in two-lane rural-roads using an instrumented vehicle. The trajectory of the overtaking vehicle on the opposing lane was measured, so we calibrate different kinematic models to select the most suitable. This provides a reliable calculation of the required distance to pass a slower vehicle, to be used in design standards or drivers’ assistance systems.
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Why is it important?
The paper is solely based on observations of real drivers that behave normally, as observation equipment was not visible to them. The models are able to describe and predict the variety of driving patterns when overtaking (which is disperse in particular for overtaking). This is helpful to increase fidelity of microscopic simulations of two-lane roads.
Perspectives
The resulting models provide an excellent opportunity to test the sensitivity of overtaking sight distance requirements. The next step is how to adapt them to different technologies of connected and automated driving systems, where some of the parameters depend no longer on the driver but on the technology. The paper is a tool to start testing the potential impacts of automation.
Carlos Llorca
Technische Universitat Munchen
Read the Original
This page is a summary of: Modelling vehicles acceleration during overtaking manoeuvres, IET Intelligent Transport Systems, April 2016, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-its.2015.0035.
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