NHTSA data reference guide version 4. Volume 3, component tests

NHTSA · 1997 · ROSA P / United States. Department of Transportation. National Highway Traffic Safety Administration

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Summary

This document is Volume III of the NHTSA Data Reference Guide (Version 4), published in April 1997. It serves as a technical manual defining the standardized data submission format for component tests conducted for the National Highway Traffic Safety Administration (NHTSA). The guide was created to support the Federal Motor Vehicle Safety Standards established under the 1966 National Traffic and Motor Vehicle Safety Act, ensuring that crash test data is collected, formatted, and exchanged consistently to aid in reducing motor vehicle fatalities and injuries. The guide specifies the structure for magnetic media submissions (3.5-inch diskettes) containing both specification data and measurement data. It categorizes required information into five primary groups: General Test Information (identifying test objectives, dates, and performers); Vehicle Information (make, model, VIN, applicable only if the component is vehicle-related); Component Information (defining the specific part, weight, and modifications); Test Configuration Information (detailing test devices, speeds, and contact points); and Instrumentation Information (describing sensor types, locations, and calibration). The document mandates the use of metric units and provides specific coding conventions for fields, including options for "Not Applicable" or "Other." It also introduces the ENTREEW software utility, which automates file generation in either NHTSA’s proprietary binary format or ASCII for external data exchange. Key procedural findings include a strict certification requirement for contractors. Before data is accepted into the NHTSA database, contractors must submit a test diskette for validation. Certificates are required for each data format type (vehicle, biomechanics, component, or signal waveform) and are mandatory for bidding on future R&D contracts. The guide distinguishes between major errors (e.g., unreadable diskettes, missing critical data fields) which result in immediate rejection, and minor errors (e.g., incorrect codings), where ten or more trigger a return. Unacceptable submissions incur costs for the contractor, payable via invoice offset. The significance of this guide lies in its role as a regulatory and technical standard for automotive safety research. By enforcing a uniform data structure, it facilitates the integration of results from over 2,000 crash tests into a centralized database, enabling rigorous analysis and simulation modeling. The certification and penalty mechanisms ensure high data quality, while the standardized format promotes interoperability among researchers and contractors, ultimately supporting the development of effective vehicle safety standards.

Key finding

The document provides a standardized data format and certification protocol for submitting component test data to the NHTSA database.

Methodology

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• naturalistic crash near crash

Information type

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• Applied Guidance: standards test procedures
• Methodological Resource: dataset resource