100-Car Naturalistic Driving Study Fact Sheet

BLACKSBURG, Va., June 10, 2005 – The 100-Car Naturalistic Driving Study was recently completed by the Virginia Tech Transportation Institute (VTTI) and sponsored by the National Highway Traffic Safety Administration (NHTSA), Virginia Tech, Virginia Department of Transportation (VDOT), and Virginia Transportation Research Council (VTRC). See the full story.

Setting Up the Study

Study Sponsors:

Study Parameters:

100-Car Study Features:

Participant Demographics:

Vehicles (primarily sedans and SUVs):

Data Collection Instrumentation Included:

Instrumentation Features:

Data Assembly

The Event Database:

Data Gathered

Miles Driven:

Crashes, Near-Crashes and Incidents Recorded:

Other Driving Events Recorded:


Driver Inattention:

Rear-End-Striking Crashes:


Hand-Held Wireless Devices:


Considerations and Conclusions

Study Limitations:

Advantages of the 100-Car Study's Naturalistic Research Approach:

Advantages of studying near-crashes and non-police-reported crashes in addition to crash events:

Database Availability:

Future Uses of the 100-Car Study's Database: