National Automotive Crashworthiness Data from 24 Sampling Sites

The National Automotive Sampling System Crashworthiness Data System (NASS-CDS) is a nationwide crash data collection program sponsored by the U.S. Department of Transportation. It collects detailed information on a sample of police-reported light motor vehicle traffic crashes from 24 geographic Primary Sampling Units (PSUs). The data are weighted to represent all such crashes in the USA involving passenger cars, light trucks, and vans that were towed due to damage.

Use Cases

• Analyze injury patterns and crashworthiness across vehicle types using occupant and crash data.
• Model crash severity outcomes based on automobile and crash scenario features.
• Study geographic variation in crash characteristics using data from the 24 Primary Sampling Units (PSUs).
• Assess trends in police-reported traffic crashes for passenger cars, light trucks, and vans.

Strengths

• Data is collected from 24 geographic Primary Sampling Units (PSUs) for national representation.
• Sponsored by the U.S. Department of Transportation and operated by NHTSA's NCSA, ensuring authoritative collection.
• Sample is weighted to represent all police-reported motor vehicle crashes in the USA for the covered vehicle types.

Limitations

• The dataset is a sample, not a complete census of all crashes, which may limit granular analysis for rare events.
• Specific column definitions, row counts, and data formats are not provided in the input, complicating initial assessment.
• Focus is on light motor vehicles that were towed, excluding crashes with less severe damage or involving other vehicle classes.

Provenance

Source

National Center for Statistics and Analysis (NCSA) of the National Highway Traffic Safety Administration (NHTSA), U.S. Department of Transportation.

Collection Method

Data collection is accomplished at 24 geographic Primary Sampling Units (PSUs) from a sample of all police-reported light motor vehicle traffic crashes.

Freshness

Data was last updated on 2024-05-01.

Geography

United States, nationwide.