DUID Victim Voices

Education and promoting effective laws to reduce Driving Under the Influence of Drugs (DUID)

About DUID Victim Voices:

Many voices are heard when a state considers stronger DUID laws. The voices of the marijuana lobby, law enforcement professionals, forensic toxicologists, and drug users typically dominate. DUID Victim Voices represents the interests of the victims of drugged driving, providing fact-based education and a victim perspective to decision makers and to the general public.


All states define alcohol DUI per se with laboratory tests that prove impairment by a blood alcohol level greater than .08 gm/dl for adults and greater than zero (or .02 gm/dl) for minors. Laboratory tests are routinely performed for all suspected alcohol DUI cases. Only 17 states define drug DUI (DUID) per se by objective laboratory tests.

Three additional states have established permissible limits for marijuana’s active THC in drivers, but these limits are a poor substitute for comprehensive drug per se laws. All other states use more difficult, costly, and subjective means to prove DUID on a case-by-case basis, with highly variable results.

The Futile Search for the “Right” THC per se Level

Dalmatian-chasing-tail-006THC (delta-9 tetrahydrocannabinol) is known to be the primary psychoactive ingredient in marijuana that causes driving impairment. For years, legislators and some scientists have sought a per se level of THC in a driver’s blood that is equivalent to alcohol per se levels, .08 BAC in the United States and .05 BAC in most other countries.

The fact is that there is no level of THC in blood above which everyone is impaired, and below … READ MORE

Governor Rauner, please consider the consequences

The following was delivered to Illinois Governor Rauner's office Tuesday, May 26, 2015:We ask you to exercise your line item veto authority when signing HB 218, Cannabis Penalties. This bill, drafted to decriminalize marijuana, also eliminates Read More

Kill Illinois HB 218

Illinois is considering HB 218, a measure that would decriminalize marijuana. While this may be a laudable goal, HB 218 achieves its objective by throwing victims of stoned driving under the bus. Illinois currently is blessed with one of the Read More