Visual operational feedback in vehicular control is the spatial difference between the roadway path and the positional changes of the vehicle in motion. A previous study showed that elimination of such feedback by obscuring the visibility of vehicle front and rear ends degraded driving accuracy. The hypothesis tested in the present study is that increasing visual operational feedback by illuminating certain points of the hood would facilitate safe and accurate driving performance at night. Three red-light indicators were designed as cursors in operator-vehicle-road tracking. Results confirmed the assumptions.
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