Drivers’ Behaviour on Freeway Curve Approach
Different Angles, Different Perspectives
Johan Vos (TU Delft - Transport and Planning)
Marjan Hagenzieker – Promotor (TU Delft - Transport and Planning)
Haneen Farah – Promotor (TU Delft - Transport and Planning)
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Abstract
This dissertation explores what road characteristics trigger drivers’ speed adjustments when approaching freeway curves. It combines speed prediction modelling and human factors research methods. The results show that drivers primarily consider visible cues such as the preceding roadway, deflection angle, and the number of lanes, as opposed to traditional factors like horizontal radius or speed signs, when starting to decelerate. The study advocates for integrating driver perspectives into road design.