Michelin Mobility Intelligence Focus Area Analysis Report
Published October 2024
With the support of a grant from the Governor’s Highway Safety Association, WTSC partnered with MMI to conduct focus area analyses in South King and Yakima counties to assess risky driving using MMI’s telematics information. This report describes the project and details the analyses performed for these two communities.
Cambridge Mobile Telematics Washington State Driver Behavior Analysis
Published October 2024
WTSC partnered with CMT to conduct a county-level analysis of of risky driving behaviors using telematics data collected by insurance companies. This report includes telematics data from June 2022 and June 2023 and describes the frequency of high-risk driving.
Michelin Mobility Intelligence Kepler Maps User Guide
MMI provided interactive Kepler maps for South King and Yakima counties that include driver behavior hot spots overlaid with socioeconomic information at the census block level.
*The interactive maps are provided as .html filed upon request. To request the interactive map files. contact Staci Hoff, shoff@wtsc.wa.gov*
Grant-Funded Research
University of Washington: Electric Scooter and Bicycle Injury
Electric Scooter Related Injury in Seattle Report
Published December 2024
This study examined injuries over time associated with e-scooter use in Seattle to inform injury prevention efforts. Electronic health records (EHRs) from UW Medicine from 2018-2023 were used.
A two-page fact sheet summarizing UW-affiliated medical center visits related to bicycle injury.
This study developed a natural language processing (NLP) algorithm to find mentions of helmet use in hospital triage notes, using a subset of bike injury cases from the UW Medicine electronic medical records.
A two-page fact sheet summarizing UW-affiliated medical center visits related to e-scooter injury.
Washington State University: Washington’s Drug Recognition Expert (DRE) Program
Perceptions of the DRE Program in Washington State
Published October 2024
This study aims to understand the perceptions of DREs across Washington State, the ways in which DREs are utilized, and the difficulties they experience in their role.
The current report explores the impact DRE evaluations and officers have on DUI case outcomes from a sample of cases in Spokane, Washington.
This study used multiple methods to answer how criminal justice actors and court systems view the effectiveness of the DRE program and DRE-related evidence.
University of Washington
Citation & Crash Culpability Technical Report
Published December 2024
Using linked data from Washington’s Traffic Records Integration Program, a previously validated culpability tool was applied to drivers involved in crashes and the association between criminal traffic citation history and crash culpability was explored.
A two-page supplement of the Citation and Crash Culpability study describing the frequency and type of criminal traffic citations present in the history of drivers involved in collisions.
Other Study Reports
WA Graduated Driver Licensing (GDL) Program Attitude and Behavior Survey Results
Published October 2020
A statewide survey of young individuals ages 16-24 was conducted during the spring of 2020. This report summarizes those survey results and highlights significant and relevant findings.
This project exploited Twitter analysis and the technique of big data mining to address current traffic safety culture in Washington State.
The current study explores procedural justice in the context of traffic stops in Washington. Specifically, work for this project was conducted in conjunction with three municipal police agencies within the state.