Intelligent speed adaptation—Effects and acceptance by young inexperienced drivers

This study assessed the relative effects of two intelligent speed adaptation (ISA) systems (informative and actively supporting) on simulated driving performance and acceptability in a sample of inexperienced and experienced drivers. Participants drove a series of simulated drives under three condit...

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Bibliographic Details
Published in:Accident analysis and prevention 2010-05, Vol.42 (3), p.935-943
Main Authors: Young, Kristie L., Regan, Michael A., Triggs, Thomas J., Jontof-Hutter, Keren, Newstead, Stuart
Format: Article
Language:English
Subjects:
Acceleration
Adaptation, Psychological
Adolescent
Adult
Advanced driver assistance systems
Age Factors
Analysis of Variance
Artificial Intelligence
Attitude
Automobile Driving - psychology
Automobiles
Computer Simulation
Confidence Intervals
Consumer Behavior
Driver experience
Female
Humans
Intelligent speed adaptation
Intelligent transport systems
Male
Safety
Speeding
Surveys and Questionnaires
Task Performance and Analysis
User-Computer Interface
Workload
Young Adult
Young drivers
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Summary:This study assessed the relative effects of two intelligent speed adaptation (ISA) systems (informative and actively supporting) on simulated driving performance and acceptability in a sample of inexperienced and experienced drivers. Participants drove a series of simulated drives under three conditions: no ISA (control), ISA informative and ISA actively supporting. The informative system significantly reduced speed and was particularly effective in reducing top-end speeds. Comparable reductions were not found for the actively supporting system. Differences in the effectiveness and acceptability of ISA systems were noted across experienced and inexperienced drivers. The ISA systems appeared more effective at reducing speeds for experienced drivers on some road types. Experienced drivers’ subjective satisfaction ratings of the systems also remained constant over the trial, whereas the inexperienced drivers’ ratings changed after experience. There was little evidence that drivers engaged in negative behavioral adaptation and no evidence that subjective workload levels increased with ISA use. Future directions for examining the safety benefits of ISA, particularly for inexperienced drivers, are discussed.
ISSN:0001-4575
1879-2057
DOI:10.1016/j.aap.2009.10.013