The influence of head-up displays upon driving behaviour

Status:

completed 12/2006

Aims:

Head-up displays in vehicles display information on the windscreen. The driver devotes less attention and time to registering information displayed in this way. The implications of head-up displays for driving behaviour under different weather and visibility conditions were to be studied as a function of the driver's age.

Activities/Methods:

An experimental test plan was followed to study the effects of head-up displays upon the objective and subjective observance of speed limits, lane keeping, and the recognition of roadside hazards.

Results:

With exception of positive effects on the objective speed beneficial consequences on the other criteria can be determined. Nevertheless concerning keeping the lane despite the statistical significance the effect is virtually a very minor one. Regarding the subjective keeping of speed while objective indifference it has to be discussed whether the effects on road safety in terms of risk homeostasis even are rather negative ones.

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