Sleeping Driver (IMAGE) Virginia Tech Caption The Virginia Tech Transportation Institute naturalistic driving study method involves equipping vehicles with unobtrusive instrumentation, including an advanced suite of radars, sensors, and cameras -- depicted here with an institute researcher volunteer behind the wheel. The method continuously collects real-world driver performance and behavior. Credit Virginia Tech photo Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.