|Michigan has a zero tolerance per se drugged
driving law enacted for cannabis and other controlled
substances. Cannabis metabolites are excluded under the law.
(Michigan Vehicle Code 257.625 Section 8) |
took effect in October 2003.
Every state has DUID (driving under the influence of drugs) legislation on
the books. These laws fall into three distinct categories: Effect-Based
DUID Laws, Per Se
DUID Laws, "Zero Tolerance" Per Se Laws.