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The effect of curve geometry on driver behaviour in curves by using naturalistic driving data

Andréa Palmberg (Institutionen för tillämpad mekanik, Fordonssäkerhet) ; Jakob Imberg (Institutionen för tillämpad mekanik, Fordonssäkerhet) ; . Selpi (Institutionen för tillämpad mekanik, Fordonssäkerhet) ; Robert Thomson (Institutionen för tillämpad mekanik, Fordonssäkerhet)
Proceedings of the 3rd International Symposium on Future Active Safety Technology Towards Zero Traffic Accidents (FAST-zero 2015) (2015)
[Konferensbidrag, refereegranskat]

Traffic accidents are commonly found on horizontal curves. It is therefore important to study how the curve geometry affects the driver behaviour. This paper focuses on analysis of speed and maximal lateral acceleration in seven curves on two-lane rural highways in Sweden. The curve geometry factors studied are radii, presence and length of spiral transitions, tangent lengths and radius of previous curve. Of the studied factors, radii and spiral transitions were found to influence the driver behaviour most. Both larger radii and longer spiral transitions result in higher speeds in curves, and speed variations within curves seemed to be independent on choice of speed entering the curve.

Nyckelord: curve geometry, driver behaviour, horizontal curves, naturalistic driving data

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Denna post skapades 2015-07-02. Senast ändrad 2015-11-10.
CPL Pubid: 219335


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Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Fordonssäkerhet (2005-2017)



Chalmers infrastruktur