Journal of Advanced Transportation / 2019 / Article / Tab 8

Research Article

Effects of In-Vehicle Navigation on Perceptual Responses and Driving Behaviours of Drivers at Tunnel Entrances: A Naturalistic Driving Study

Table 8

Evaluation results of the effectiveness of in-vehicle navigation.

TypesIndicatorsImplicationKey ZoneEffective ZoneEffectiveness of in-vehicle navigation

Visual responsesThe number of fixationsDriving information interactionZone 2Zone 1, Zone 2Valid
The average duration of fixationsThe difficulty of driving information cognitionZone 4Zone 1, Zone 2Invalid

Psychological responsesR-R intervalMental workloadZone 3All ZonesValid
SCRPsychological arousalZone 3Zone 2, Zone 3Valid

Driving behavioursSpeed difference of zoneSpeed coordinationZone 2Zone 1, Zone 2Valid
Maximum decelerationDriving comfortZone 2Zone 1Invalid

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