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Keeping older adults driving safely: a research synthesis of advanced in-vehicle technologies

 

Background
Advanced in-vehicle technologies have been proposed as a potential way to keep older adults driving for as long as they can safely do so, by taking into account the common declines in functional abilities experienced by older adults.

Objectives
The purpose of this report was to synthesize the knowledge about older drivers and advanced in-vehicle technologies, focusing on three areas: use (how older drivers use these technologies), perception (what they think about the technologies), and outcomes (the safety and/or comfort benefits of the technologies).

Methods
Sixteen technologies were selected for review and grouped into three categories: crash avoidance systems (lane departure warning, curve speed warning, forward collision warning, blind spot warning, parking assistance, intersection assistance, merging assistance); in-vehicle information systems (navigation assistance, congestion warning, intelligent speed adaptation); and other systems (adaptive cruise control, automatic crash notification, night vision enhancement, adaptive headlight, voice activated control, drowsiness/fatigue warning). A comprehensive and systematic search was conducted for each technology to collect related publications. 298 articles were included into the final review.

Results
Research findings for each of the 16 technologies were synthesized in relation to how older adults use and think about the technologies as well as potential benefits. These results are presented separately for each technology. The paper also addressees training, education, and research needs.

Conclusions
Can advanced in-vehicle technologies help extend the period over which an older adult can drive safely? This report answers this question with an optimistic "yes." Some of technologies reviewed in this report have been shown to help older drivers avoid crashes, improve the ease and comfort of driving, and travel to places and at times that they might normally avoid. Other technologies show promise for providing benefits to older drivers and the development of these technologies continues.