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Task-Relevant Smartphone Messages Within Work Zones: A Driving Simulation Study
Curtis M Craig1, Disi Tian1, Nichole L Morris1
1University of Minnesota, USA.
Human Factors
|May 1, 2023
Summary
In-vehicle messages significantly improved driving performance and attention in work zones compared to roadside signs. This suggests in-vehicle alerts can enhance driver safety in hazardous road environments.
Area of Science:
- Human-computer interaction
- Traffic safety research
- Cognitive psychology
Background:
- Work zone safety relies on driver attention to roadside signs, which is often compromised by distractions.
- Traditional signage may not be consistently noticed or followed by drivers due to task demands.
Purpose of the Study:
- To compare the effectiveness of in-vehicle messages versus roadside signs in alerting drivers to simulated work zone hazards.
- To determine if in-vehicle messaging can improve driving performance within work zones.
Main Methods:
- A driving simulation study evaluated driver performance in shoulder work and lane closure scenarios.
- Participants experienced three messaging conditions: roadside signs, in-vehicle audio-only, and in-vehicle audio-visual messages.
Main Results:
- In-vehicle messages led to significantly better driving performance, including reduced lane deviation, compared to roadside signs.
- Drivers using in-vehicle messages maintained greater visual attention toward the roadway.
Conclusions:
- In-vehicle messaging systems can enhance primary driving task performance when appropriately designed.
- Findings support developing in-vehicle communication frameworks for alerting drivers to hazards in work zones and similar environments.
