NCSA and Other Data Sources

1. NCSA Motor Vehicle Crash Data Collection Systems
2. NCSA Motor Vehicle Crash Data - Special Studies/Surveys
3. Road Use and Population Data: Useful Data for Motor Vehicle Crash Exposure Analysis
4. Available FHWA/CENSUS Exposure Data Use Matrix
5. Motor Vehicle Crash Coding Standardization
6. Other Motor Vehicle Crash Applications

1. NCSA Motor Vehicle Crash Data Collection Systems

Use this table to identify available data for your motor vehicle crash data analysis.
Data/Description/Scope/Analytical Use Available
Years
Homepage/
Documentation
Web
Application
Download
Data
Fatality Analysis Reporting System (FARS):
Census of fatal traffic Crashes in the US: Use this data for the analysis of fatal traffic crashes
1975 + FARS Home FIRST Query and API ftp
National Automotive Sampling System (NASS) - General Estimates System (GES):
US National representative sample of all police reported traffic crashes: Use this data for the analysis of all motor vehicle crashes.
National level only
1988-2015 NASS Home FIRST Query ftp
Crash Report Sampling System (CRSS):
US National representative sample of all police reported traffic crashes: Use this data for the analysis of all motor vehicle crashes.
National level only. This data system replaced NASS-GES (see above)
2016 + CRSS Home FIRST Query ftp
National Automotive Sampling System (NASS) - Crashworthiness Data System (CDS):
US National representative sample of police reported traffic crashes where a passenger vehicle was towed from the crash scene:
Use this data for the analysis of specific motor vehicle safety issues. National level only
1979-2015 CDS Home Case Viewer ftp
Crash Investigation Sampling System (CISS):
US National representative sample of police reported traffic crashes where a passenger vehicle was towed from the crash scene:
Use this data for the analysis of specific motor vehicle safety issues. National level only. This data system replaced NASS-CDS (see above)
2016 + CISS Home Case Viewer ftp
Special Crash Investigations (SCI):
In depth examinations of particular cases identified by the NASS/CISS teams (approximately 200 cases a year).
Clinical Review (case by case). Analysis of special crash circumstances or outcomes from an engineering perspective.
Case selection is based on the current and evolving needs identify by NHTSA
1972 + SCI Home Case Viewer N/A
State Data System:
State Census of all police reported crashes: Individual US State Census. Use this data for the analysis of motor vehicle traffic crashes
N/A State Data Programs Home N/A Contact your local State DOT
Non-Traffic Surveillance (NTS):
Non-traffic crashes and non-crash incidents:
Provide counts and details regarding fatalities and injuries that occur in non-traffic crashes and in non-crash incidents.
N/A NTS Home N/A ftp

2. NCSA Motor Vehicle Crash Data - Special Studies/Surveys

Use this table to identify available data for your motor vehicle crash data analysis.
Data/Description/Scope/Analytical Use Available
Years
Homepage/
Documentation
Web
Application
Download
Data
National Motor Vehicle Crash Causation Study (NMVCSS):
USA National Estimates.
National representative sample that collected on-scene information on the events and
associated factors leading up to crashes that involve light vehicles.
2005-2007 NCSA Reports Case Viewer N/A
Large Truck Crash Causation Study (LTCCS):
USA National Estimates.
National representative sample analysis of Large Truck involved crashes
2001-2003 NCSA Reports Case Viewer N/A
Crash Injury Research Engineering Network (CIREN):
Clinical Review (case by case).
National representative sample analysis to determine injury causation in motor vehicle crashes
1985 + NCSA Reports Case Viewer N/A
National Occupant Protection Use Survey (NOPUS):
Survey of occupant restraint use: USA National Estimates.
National representative sample analysis of occupant restraint use (also some occupant behavioral issues)
N/A NCSA Reports N/A N/A
National survey of the Use of Booster seats (NSUBS):
Survey of booster seat use: USA National Estimates.
National representative sample analysis of child booster seat use
N/A NCSA Reports N/A N/A
State Belt Survey:
Survey of occupant restraint use: US State Estimates.
State representative sample analysis of occupant restraint use
N/A NCSA Reports N/A N/A

3. Road Use and Population Data: Useful Data for Motor Vehicle Crash Exposure Analysis (see exposure data use matrix below)

Use this table to identify available exposure data for your motor vehicle crash data analysis.
Data/Description/Scope/Analytical Use Available
Years
Homepage/
Documentation
Web
Application
Download
Data
Federal Highway Administration (FHWA) Highway Statistics Series:
The Highway Statistics Series consists of annual reports containing analyzed statistical information on
motor fuel, motor vehicle registrations, driver licenses, highway user taxation, highway mileage, travel,
and highway finance.National and State data. Use this data as exposure data for analysis of motor vehicle crashes (crash involvement rates)
N/A FHWA Highway Statistics Series Home N/A See FHWA homepage
Federal Highway Administration (FHWA) National Household Travel Survey (NHTS):
NHTS is the authoritative source on the travel behavior of the American public. It is the only source of
national data that allows one to analyze trends in personal and household travel.
It includes daily non-commercial travel by all modes, including characteristics of the people traveling,
their household, and their vehicles. National and State. Use this data to analyze trends in personal and household travel
N/A FHWA National Houselhold Travel Surevy Home N/A See FHWA homepage
Centers for Disease Control (CDC) Web-based Injury Statistics Query and reporting System (WISQARS):
Interactive, online database that provides fatal and nonfatal injury, violent death, and cost of injury data.
Researchers, the media, public health professionals, and the public can use WISQARS" data to learn more
about the public health and economic burden associated with unintentional and violence-related injury in the United States.
National level data. Analysis of fatal and nonfatal injury, violent death, and cost of injury data.
N/A CDC WISQARS Injury Data Home N/A See CDC homepage
US Census Bureau Population Data:
Key characteristics of the US population: National, State and County level data.
Use this data as exposure data for analysis of motor vehicle crashes (crash involvement rates)
N/A US Census Population Home N/A See Census homepage

4. Available FHWA/CENSUS Exposure Data Use Matrix

Exposure Data Available and Use Data Source
Registered Vehicles By Vehicle Body Type FHWA
By State and a Limited Number of Vehicle Types
Vehicle Miles Traveled (VMT) By Vehicle Type and Functional System FHWA
By State and Functional System
Drivers Licensing By Sex and Individual Age FHWA
By State and Fixed Age Groups
By State and Individual Ages (for 16-24 Years Only)
Population By Age, State, County and Race CENSUS

5. Motor Vehicle Crash Coding Standardization

Coding Source Links
Model Minimum Uniform Crash Criteria (MMUCC) NHTSA and GHSA
Manual on Classification of Motor Vehicle Traffic Crashes ANSI D.16
FHWA Model Inventory of Roadway Elements MIRE

6. Other Motor Vehicle Crash Resources

Description
FHWA Dashboard
BTS National Transportation Library
Repository and Open Science Access Portal ROSAP
NHTSA's Office of Regional Operations and Program Delivery (ROPD) Highway Safety Grants Program
FHWA HEP's Screening Tool for Equity Analysis of Projects (STEAP) mapping
FHWA HEP's Screening Tool for Equity Analysis of Projects (STEAP) GIS Tool