Restraint System Use in 19 U.S. Cities. 1991 Annual Report

Datta, Tapan K.; Guzek, Paul · 1992 · ROSA P / United States. National Highway Traffic Safety Administration

archive: archived pipeline: cataloged verified

Get this paper ↗ (full text — opens at the source; we link to it, we don't host it)

Summary

This 1992 annual report by the National Highway Traffic Safety Administration (NHTSA) documents the results of observational studies on occupant restraint system use and motorcycle helmet usage across 19 U.S. cities in 1991. The study aimed to monitor trends in safety belt compliance, child safety seat installation, and helmet use to inform traffic safety policy. Conducted by Goodell-Grivas, Inc., the research utilized daytime field observations at approximately 30 roadway intersections and three major shopping centers in each city, covering diverse geographic regions and demographic conditions. The methodology comprised four distinct data collection components. First, observers recorded shoulder belt use and misuse for drivers and front-outboard passengers at traffic signals and freeway exits, yielding 256,907 driver observations. Second, shopping center observations captured restraint use for all passengers, including children, resulting in 85,105 person-observations. Third, researchers inspected parked vehicles to assess the correct installation of toddler safety seats, observing 3,606 seats. Fourth, motorcycle and moped helmet use was recorded as a secondary activity during other observations, totaling 10,656 motorcycle and 880 moped observations. Data collection occurred in two cycles throughout the year to ensure consistency with previous annual reports. The findings revealed an overall driver safety belt use rate of 51.1 percent in 1991, an increase from prior years. Use rates were significantly higher in cities with mandatory use laws (53.7 percent) compared to those without (36.3 percent). Female drivers exhibited higher compliance (59.0 percent) than male drivers (45.6 percent), and drivers aged 50 and older had the highest usage rates. Drivers of imported vehicles used belts more frequently (60.4 percent) than those in domestic vehicles (46.3 percent). Among passengers, 70.2 percent of infants and 73.6 percent of toddlers were restrained, with 87.0 percent of infants and 81.8 percent of toddlers using child safety seats. Correct installation of toddler seats was observed in 85.9 percent of cases. Motorcycle helmet use averaged 58.0 percent for operators, but reached 99.5 percent in cities with mandatory laws versus 39.6 percent in areas without such laws. Vehicles equipped with automatic restraint systems showed an 80.1 percent use rate, with motorized systems achieving the highest compliance at 96.6 percent. The report highlights the strong correlation between mandatory legislation and restraint usage, particularly for seat belts and motorcycle helmets. It also identifies specific demographic and vehicle-related factors influencing compliance, such as gender, age, and vehicle origin. The data provides a baseline for evaluating the effectiveness of passive restraint systems and informs future traffic safety initiatives by identifying areas of low compliance and misuse, such as the 2.6 percent overall rate of shoulder belt misuse among drivers.

Key finding

Driver safety belt use reached 51.1 percent overall, with 60.9 percent usage in areas with mandatory laws compared to 45.2 percent in areas without such laws.

Methodology

naturalistic

Sample size: 256907

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 (6 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.

• seat belt use
• child passenger safety

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