Getting arrested for DUI Marijuana is very different from an alcohol related DUI arrest. Below is a brief summary of some factors and license suspensions that are involved in a Georgia DUI marijuana case:
Georgia code section for DUI marijuana O.C.G.A. 40-6-391 (A)(6) and subsection (b) read:
A person shall not drive or be in actual physical control of any moving vehicle while
...there is any amount of marijuana or a controlled substance, as defined in Code Section 16-13-21, present in the person's blood or urine, or both, including the metabolites and derivatives of each or both without regard to whether or not any alcohol is present in the person's breath or blood.
The above is clarified in subsection (b) in part:
such person shall not be in violation of this Code section unless such person is rendered incapable of driving safely.
Being "incapable of driving safely" is a key part of marijuana DUI cases. The State prosecutors must show that a person is unsafe to drive because they have used or consumed marijuana. Although it is likely that if someone uses a large amount of marijuana before driving that their driving skills may be affected, this is many times not the case after DUI arrest. Marijuana may have a strong odor after it is burned that may last for hours in a car or on a person's clothing or body. This evidence is frequently evidence of use and NOT EVIDENCE OF IMPAIRMENT.
Blog posts by Bill Hardman at DUI Blog and Case Results