IAP Project: Concept to Countermeasure- Research to Deployment Using the 2nd Strategic Highway Research Program (SHRP2) Naturalistic Driving Study (NDS) Data: Examination of Episodic Speeding on Washington State Road

This research study was sponsored by Federal Highway Administration Implementation Assistance Program. This study proposed to examine the effects of specific roadway locations and infrastructure features on episodic speeding (e.g. 10 MPH or more over the posted speed) by NDS participants in and around Seattle, WA. The dataset delivered consisted of a sample of detailed event tables (including trip summaries, vehicle, and driver demographic survey results) and time series variables collected for multiple drivers as part of the SHRP2 Naturalistic Driving Study. Time-series data for over 9000 normal driving traversals through 10 Battelle-identified road locations (matched with Road Inofrmation Database Link IDs). These datasets are in a CSV (text) file format with timestamps reported on a rectangularized at between 1 and 10 Hz frequency clock and measures aligned to the closest timestamp. Also, each event traversal will have up to ±2 minutes time buffer around the specified road segments. The time series data included: vehicle trajectory data (e.g. heading, latitude, longitude, speed, acceleration, and velocity), vehicle control data (e.g. wiper, light level, ABS, traction control, state, pedal gas position, pedal brake state, steering wheel position), and vehicle lane position data (e.g. lane markers distances)among other.