Read the latest research and white papers addressing the complex issue of marijuana-impaired driving.


Understanding How We Tackled Drunk Driving in the 1980s and 1990s Is Important to Know as We Begin to Address Stoned Driving.

September 9, 2016

Retired CHP (California Highway Patrol) Commissioner, Spike Helmick, helped to establish current alcohol DUI standards. We have a lot to learn from his truly unique perspective which he developed over his 35-year career as a patrol officer and as CHP Commissioner. Retired Commissioner Helmick worked closely with the California state legislature and three California governors…

The Legalization of Marijuana in Colorado: The Impact

September 7, 2016

This in depth and comprehensive report on the effects of marijuana legalization throughout the state of Colorado examines many issues.  Read the entire report or focus on the well- documented dangers of stoned driving.

Marijuana: Legalizing Medical, Recreational Uses Has Implications for Workplace Drug Use Policies

January 1, 2016

Marti Fisher, Policy Advocate for the California Chamber of Commerce, discusses how the legalization of medical and recreational marijuana impacts employers. This 7-page document provides an excellent overview of how marijuana legalization impacts many employer decisions – hiring and termination practices, workers’ compensation, and employee drug testing. -Read Full Article

Marijuana and driving in the United States: prevalence, risks, and laws

May 19, 2015

The Insurance Institute for Highway Safety presents on issues related to marijuana and driving including behavioral tendencies, laws, and regulations. -View full presentation

About Hound Labs, Inc.

Hound Labs, Inc. is a scientific device company that developed the first technology to rapidly, accurately, and inexpensively detect and measure the levels of both marijuana and alcohol in a person’s breath. Dr. Mike Lynn, an ER physician, reserve deputy sheriff, and former venture capitalist and Mr. Kuni Oh, a patent attorney with deep technical background in engineering and science co-founded the Oakland-based company in 2014.

Learn about the Hound Foundation.