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Preliminary evidence of the efficacy of the Reducing Aggressive Driving (RAD) program
Amanda N Stephens1, Sharon Newnam2, Kristie L Young1
1Monash University Accident Research Centre, 21 Alliance Way, Australia.
Journal of Safety Research
|August 28, 2022
Summary
The Reduce Aggressive driving (RAD) program effectively reduced driver anger and aggressive behaviors. These positive changes in driving behavior were sustained four months after the intervention.
Area of Science:
- Psychology
- Traffic Safety
- Behavioral Science
Background:
- Aggressive driving is a significant factor in road crashes and injuries.
- Existing strategies have not fully addressed the root causes of driver aggression.
- The Reduce Aggressive driving (RAD) program aims to mitigate emotional and aggressive driving behaviors.
Purpose of the Study:
- To evaluate the delivery and effectiveness of the RAD program.
- To assess the program's impact on driver anger and aggression.
Main Methods:
- 94 drivers participated in a two-hour online RAD session.
- Participants identified aggression triggers and developed avoidance strategies.
- Self-reported anger and aggression were measured at baseline, one month, and four months post-program.
Main Results:
- 87% of participants found the RAD program effective in generating realistic strategies.
- Significant decreases in anger and aggressive driving were observed one month after the RAD program.
- These reductions in aggressive driving were maintained at the four-month follow-up.
Conclusions:
- The RAD program shows preliminary evidence of effectiveness in reducing driver anger and aggression.
- The program's positive impact on driver behavior is sustained over time.
- Further research with objective behavioral measures is recommended for wider implementation.

