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Supervised hours requirements in graduated driver licensing: Effectiveness and parental awareness
Natalie P O'Brien1, Robert D Foss, Arthur H Goodwin
1University of North Carolina, Highway Safety Research Center, 730 Martin Luther King Jr. Blvd, Suite 300/CB 3430, Chapel Hill, NC 27599-3430, USA. obrien@hsrc.unc.edu
Accident; Analysis and Prevention
|May 26, 2012
Summary
Most states require supervised driving practice for teen licenses, but its effect is unknown. A study found no change in teen crashes after Minnesota
Area of Science:
- Traffic safety research
- Adolescent driver behavior
- Public health policy
Background:
- Most states mandate supervised driving hours for teen licensure.
- The impact of these supervised driving requirements on crash rates is not well understood.
- Existing research lacks comprehensive analysis of the effectiveness of graduated driver licensing (GDL) provisions.
Purpose of the Study:
- To evaluate the effect of a supervised driving requirement on teen crash involvement.
- To assess parental awareness of supervised driving hour mandates.
- To identify factors influencing compliance and awareness of GDL policies.
Main Methods:
- Auto-regressive integrated moving average (ARIMA) interrupted time-series analysis of crash data.
- Telephone interviews with parents of newly licensed teen drivers across five states.
- Comparative analysis of parental awareness based on state-specific requirements and reporting mechanisms.
Main Results:
- No significant change in fatal and injury crash involvement for 16-17-year-old drivers in Minnesota post-30-hour supervised driving requirement.
- Limited parental awareness of supervised driving hour mandates nationally (32% correct identification).
- Significantly lower awareness in Minnesota (15%) compared to Maryland (55%), where a driving log is required.
Conclusions:
- Supervised driving hour mandates may not directly impact teen crash rates without effective implementation and awareness strategies.
- Enhanced parental awareness is crucial for the success of supervised driving requirements.
- States should consider implementing mechanisms, such as driving logs, to improve compliance and awareness of GDL policies.
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