By Sasha Tanner The question about why people choose to drive while intoxicated is a pressing concern for preventative and educative efforts, but the matter of repeat offense sheds light on where policy and research should deepen. […]
DWI
Expanding Horizons for Ignition Interlock Usage and Implementation
By Sasha Tanner Does the ignition interlock device (IID) live up to its purpose? The short answer: yes. Stick around for more details where Zeithammer, Macinko, and Silver uncover the overall effectiveness of […]
The Two-Lane Road from Law to Innovation: How Technology Improves Traffic Safety
By Sasha Tanner New technologies are emerging for the sake of reducing impaired driving. The Infrastructure Investment and Jobs Act of 2021 (IIJA) prioritizes highway safety program funding for the upcoming years. More specifically, Section 24220 outlines […]
Cracking the Code: How Do We Understand and Measure Drug-Impaired Driving?
By Sasha Tanner & Cinthya Fillips Impaired driving is one of the most pressing challenges in traffic safety, law enforcement, and criminal justice policy. With substances like alcohol, cannabis, and prescription drugs influencing driver behavior, the question remains: […]
Cannabis Does Not Make You a Better Driver
By Liaba Khan It starts as a harmless thought: “I feel fine.” But feeling fine isn’t the same as driving safely. Every impaired driving crash begins with a decision someone […]
Research Spotlight: Public Attitudes Toward Driving After Cannabis Use
By Sasha Tanner & Cinthya Fillips As cannabis legalization continues to expand, understanding its implications for road safety has become increasingly urgent. A recent meta-analysis published in Transportation Research Part F: Traffic […]






