Child Passenger Safety State of Knowledge: A Literature Review [Traffic Tech]

NHTSA · 2026 · ROSA P / United States. Department of Transportation. National Highway Traffic Safety Administration

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Summary

This report summarizes findings from a systematic literature review of behavioral safety research on child passenger safety (CPS) conducted in the United States between 2000 and 2022. The review focuses on children up to age 12 and addresses the persistent issue of motor vehicle crashes remaining a leading cause of death for children, despite evidence that child restraint systems (CRSs) significantly reduce fatal injuries. Specifically, CRSs reduce fatal injury risk by 71% for infants under one year, 57% for children aged 1–3, and 58% for children aged 4–7. The study aims to synthesize current knowledge regarding non-use, misuse, educational interventions, legislative impacts, and disparities in restraint usage to inform future safety strategies. The analysis categorizes findings into five primary domains: non-use, misuse, education and outreach, legislation and enforcement, and community-specific barriers. Non-use refers to the complete lack of restraint, which was found to be rare for infants but increased with age. Drivers with lower incomes, Black drivers, and those in rural areas were more likely to transport unrestrained children compared to higher-income, White, or urban drivers. Misuse, defined as incorrect restraint application, included errors such as premature transition from booster seats to seat belts, improper installation angles, and loose harness straps. Misuse rates were higher among drivers with lower education levels, lower incomes, or those residing in rural areas, and were associated with factors like low risk perception, lack of knowledge, and vehicle type (e.g., pickup trucks). Regarding interventions, the review found that educational programs improved caregiver knowledge and restraint use, particularly when they included multi-modal training with hands-on components and were tailored to the caregiver’s existing knowledge level. Effective dissemination occurred through healthcare settings, community events, and schools. However, education alone was less effective than multifaceted interventions combining education with enforcement or low-cost device access. Legislative enactment of state child restraint laws correlated with increased use rates and decreased injuries and fatalities. Enforcement was identified as a critical component, especially when combined with educational messaging. The report highlights significant disparities in communities with lower CRS use, where barriers include cost, limited access to information, and misconceptions about booster seats. Promising solutions for these communities involve multifaceted approaches including low-cost CRS distribution, education, and enforcement. Community-led programs were noted as particularly effective, especially when they feature community ownership, local decision-making, and visible activities led by community members. The findings underscore the need for integrated strategies that address socioeconomic and geographic disparities to maximize the life-saving potential of child restraint systems.

Key finding

Multifaceted interventions that combine education, enforcement, and low-cost access to child restraint systems are more effective than education alone in improving child passenger safety outcomes.

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 (5 acquisition events logged).

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.

• child passenger safety
• seat belt use

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).

• Empirical Findings: observational prevalence