This study simulated modern in car navigation with video mapping cues and a low fidelity driving simulator. Forty one participants performed a simulated driving task while either free driving or navigating in conjunction with a standard additional task assessing their spare attentional capacity. The results showed that more lane deviations were made during the navigation than the non navigation task. These findings indicate the greater workload levels associated with the use of video navigation devices. These findings have major implications for driver safety and telematic systems design.
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