Countermeasures That Work – Young Drivers [Traffic Tech]
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Summary
This document, published by the National Highway Traffic Safety Administration (NHTSA) in 2021, addresses the elevated risk of motor vehicle crashes among young drivers. Motor vehicle crashes remain a leading cause of death for young people; in 2018, 1,719 drivers aged 15 to 20 were killed, and approximately 199,000 were injured. Drivers in this age group are overrepresented in fatal crashes, comprising 8.0% of those involved despite representing only 5.3% of all licensed drivers. The high risk is attributed to a combination of inexperience and adolescent developmental factors, such as increased novelty-seeking and risk-taking. Specific high-risk situations include nighttime driving, driving with young passengers, substance use, handheld electronic device usage, and lack of seat belt use. Although fatal crash involvement for young drivers decreased by 20% between 2009 and 2018, their rates per 100,000 licensed drivers remain the highest among all age groups. The paper reviews evidence-based countermeasures from the 10th edition of *Countermeasures That Work*, focusing on strategies to mitigate these risks. The most effective countermeasure identified is Graduated Driver Licensing (GDL), a three-phase system comprising a learner’s permit, an intermediate license, and a full license. GDL is rated as highly effective (five stars) because it allows novices to gain experience under supervision while restricting exposure to dangerous conditions. Specific GDL components are also highly effective: learner’s permit lengths of six months or longer reduce crashes, with nine to twelve months showing even greater reductions. Additionally, nighttime restrictions for intermediate license holders significantly lower risk, particularly when restrictions begin at or before 10 p.m., though implementation varies widely across states. Passenger restrictions, which limit teen drivers to zero or one passenger, are also highly effective in reducing fatal crash risk associated with peer presence. Other countermeasures include the enforcement of GDL and zero-tolerance laws, which are rated as promising (three stars). Increased enforcement and publicity encourage compliance with restrictions and reduce drinking and driving. A suggested method to aid enforcement is requiring vehicle decals to identify GDL-qualifying drivers. Electronic technologies for parental monitoring are also rated as promising. These tools, including smartphone apps and in-vehicle devices, provide real-time feedback on driving behaviors and trip characteristics. They appear to improve safety primarily by facilitating parental monitoring and communication rather than through direct behavioral modification. The significance of these findings lies in providing State Highway Safety Offices with a prioritized list of interventions. The conclusion emphasizes that a comprehensive GDL system is the most effective strategy for young driver safety. Furthermore, the integration of electronic monitoring technologies offers a viable method to enhance parental involvement. The report underscores the need for continued evaluation of innovative programs, such as peer-to-peer networks, to further reduce crash rates among this vulnerable demographic.
Methodology
review
Provenance
The full processing record for this entry. Every stage of this paper's journey through the pipeline is logged — what ran, with which tool and model, how many attempts it took, and when it last completed. Discovered via bulk_ingest_rosap on 2026-05-23 (8 acquisition events logged).
| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | rosap | — | — | 2 | 2026-05-23 |
| archive | success | — | — | — | 1 | 2026-05-23 |
| extract | success | cached | — | — | 2 | 2026-06-10 |
| clean | success | — | — | — | 1 | 2026-06-01 |
| chunk | success | — | — | — | 1 | 2026-06-01 |
| embed | success | — | — | — | 1 | 2026-06-02 |
| enrich | success | — | — | — | 1 | 2026-05-23 |
| promote | success | — | — | — | 1 | 2026-05-23 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 3 | 2026-06-10 |
| tag | success | vector_similarity | — | — | 19 | 2026-06-11 |
| verify | partial | — | — | — | 4 | 2026-06-10 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified_with_issues.
Topics
Ranked by relevance to this paper. Hover a topic for its definition.
- graduated licensing
- novice drivers
- parental management
- passenger effects
- learner drivers
- driver education effectiveness
Information type
What kind of knowledge this paper contributes, grouped by family — independent of topic (what it is about) and method (how it was studied).
- Applied Guidance: policy recommendations
- Empirical Findings: observational prevalence, crash risk outcomes