SHRP 2's Naturalistic Driving Study: A Database of Unlimited Challenges

• Activity Number: 437
• Type: Contributed
• Date/Time: Tuesday, August 6, 2013 : 2:00 PM to 3:50 PM
• Sponsor: Government Statistics Section
• Author(s): Karin Bauer*+
• Companies: MRIGlobal
• Keywords: Naturalistic Driving Study ; Time series data ; Spatial and temporal correlations ; SHRP 2 ; Transportation ; Safety

Abstract

Since late 2010, the Strategic Highway Research Program (SHRP 2) Naturalistic Driving Study (NDS) has been collecting data on every trip made by volunteer drivers recruited in six areas in the US. It is anticipated that by November 2013, some 2,800 volunteers of all ages will have participated for 1 or 2 years resulting in a database of some 3,800 vehicle-years, 30 millions of vehicle-miles, over 5 million trips, and over 1.2 million of hours driven. The data include real-time records (i.e., time series data) from the vehicle (GPS, speed, acceleration, braking, forward radar, steering, etc.) and video views forward, backward, and on the driver's face and hands. Roadway inventory data are linked to the trip data using GPS. The final SHRP 2 NDS database is expected to approach 2 petabytes (2,000 terabytes) in size.

We will highlight statistical issues inherent to the NDS database such as spatial and temporal clustering; repeated measures (multiple observations of the same driver on the same segment of road; multiple drivers on the same segment of road); spatial and temporal correlations; etc.