Countermeasures That Work – Distracted Driving [Traffic Tech]

Blenner, J A · 2021 · ROSA P / United States. Department of Transportation. National Highway Traffic Safety Administration

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Summary

This document, a Traffic Tech publication from the National Highway Traffic Safety Administration (NHTSA), summarizes effective countermeasures for distracted driving as part of the 10th edition of *Countermeasures That Work*. The paper addresses the significant safety risks posed by distracted driving, defined as any activity diverting visual, manual, or cognitive attention from driving. The motivation stems from substantial crash data: in 2018, distraction-affected crashes accounted for 8% of fatal crashes, resulting in 2,841 deaths and 400,000 injuries. Cell phone use is a primary concern, with naturalistic driving data indicating that interacting with a hand-held phone increases crash risk 3.6 times, while dialing and texting increase risk 12.2 and 6.1 times, respectively. Demographic analysis reveals that drivers aged 16–24 exhibit the highest rates of hand-held cell phone use, and those aged 15–19 represent the largest proportion of distracted drivers involved in fatal crashes. The paper reviews behavioral data from the 2015 National Survey on Distracted Driving Attitudes and Behaviors, which identified two distinct driver clusters: “distraction-prone” (42% of drivers, typically younger, more affluent, and more educated) and “distraction-averse” (58%). Despite high self-reported engagement in distractions like adjusting radios (68%) and eating (48%), most drivers perceive texting and talking on hand-held phones as extremely dangerous. The document highlights limitations in crash data collection, noting that reliance on police reports and witness accounts likely leads to underreporting due to jurisdictional variations and driver reluctance to admit fault. The core findings focus on two evidence-based countermeasures. First, Graduated Driver Licensing (GDL) requirements for beginning drivers are rated as consistently effective. GDL systems reduce crash risk for teens, who are more susceptible to distraction due to ongoing brain development, primarily by restricting passenger numbers. However, the paper notes there is currently no evidence that GDL restrictions on cell phone use effectively reduce such usage. Second, High-Visibility Enforcement (HVE) of cell phone and text messaging laws is rated as effective in certain situations. HVE combines dedicated law enforcement patrols with media campaigns to increase the perceived risk of being ticketed. While HVE programs successfully reduce hand-held cell phone use and increase public awareness, their direct impact on crash reduction remains uncertain. The significance of these findings lies in the difficulty of modifying driver behavior. The limited number of proven countermeasures suggests that convincing drivers to avoid distractions is challenging, as many view them as essential activities. The paper concludes that while enforcement and licensing structures offer some protection, additional strategies such as officer training, technology-based blocking systems, and employer programs show promise but require further systematic evaluation to determine their efficacy in reducing distracted driving incidents.

Key finding

Graduated Driver Licensing requirements for beginning drivers are highly effective at decreasing distractions, while high-visibility enforcement effectively deters cell phone use but has an uncertain impact on crash reduction.

Methodology

review

Provenance

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Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.

Topics

Ranked by relevance to this paper. Hover a topic for its definition.

• distraction laws
• mobile phones
• distraction detection algorithms
• visual
• visual manual
• manual

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
• Theoretical Contribution: conceptual framework