Georgia Marijuana DUI: Act Quickly to Protect Your Case

What a Marijuana DUI Charge Can Mean in Georgia

Prosecutors may use different DUI theories depending on the facts and the subsection charged under O.C.G.A. § 40-6-391.

• “Less safe” DUI (drug-related impairment): An allegation that marijuana or another drug made the driver less safe to drive. These cases often turn on officer observations, driving behavior, statements, and (sometimes) blood test evidence. See O.C.G.A. § 40-6-391.
• “Drug present” DUI: Georgia also has a DUI provision tied to the presence of marijuana or certain controlled substances in bodily fluids, which can shift disputes toward what was tested, how it was tested, and whether the result meets the statutory elements. See O.C.G.A. § 40-6-391.

First Steps After an Arrest or Citation

Early action matters because evidence like bodycam/dashcam video and witness memory can disappear quickly.

Document your timeline

• Where you were, why you were stopped, what was said, and what you were asked to do.
• Sleep, food, stress/anxiety, injuries, and medical conditions that could affect balance, eyes, or speech.

Preserve evidence you can access

• Receipts, location history, rideshare records, and messages that help establish timing.
• Passenger/witness names and contact information.
• Nearby cameras (storefronts, parking lots): note locations and approximate times.

Be cautious about creating new evidence

• Avoid posting about the incident.
• Keep detailed discussions limited to your attorney.

Common Weak Points in Georgia Marijuana DUI Investigations

The stop (and how long it lasted)

If the officer lacked a lawful basis to stop the vehicle, or if the stop was extended beyond its lawful scope without adequate justification, the defense may seek to suppress evidence under the Fourth Amendment. See U.S. Constitution, Fourth Amendment.

Subjective observations can be over-interpreted

Reports often mention odor, bloodshot eyes, slow speech, or confusion. Those observations can have non-drug explanations (fatigue, allergies, contact lenses, anxiety, medical conditions), and video sometimes conflicts with the written narrative.

Field sobriety tests are not marijuana-specific

Standardized field sobriety tests were developed primarily around alcohol impairment indicators and can be affected by surface conditions, lighting, footwear, age, injuries, neurodivergence, and anxiety. See NHTSA SFST resources.

THC results can create timing and interpretation disputes

Even when testing detects THC or related compounds, that does not automatically establish impairment at the time of driving in a “less safe” case. Safety literature also discusses limitations in correlating THC levels with impairment the way alcohol is often treated. See NHTSA: Drug and Human Performance Fact Sheets (Cannabis/Marijuana).

Statements can be misunderstood or overstated

Statements like “I smoked earlier” can be vague. Timing, amount, and method matter, and the defense may examine how questions were asked, whether Miranda issues apply, and whether statements were accurately documented.

Chemical Testing in Blood-Draw Cases: Practical Issues to Review

When a case involves a blood draw, common review points include implied-consent procedures, documentation quality, and whether the testing and proof fit the charged statute.

• Whether implied-consent procedures were properly followed. See O.C.G.A. § 40-5-55.
• Whether you were allowed a meaningful opportunity for an independent test where applicable. See O.C.G.A. § 40-6-392.
• Who performed the draw, where it occurred, and what was recorded.
• Labeling, storage, transport, and any chain-of-custody gaps.
• What the lab actually reported and how the state intends to use the result under the specific DUI subsection charged. See O.C.G.A. § 40-6-391.

Medical Marijuana, Hemp/CBD Products, and “I Didn’t Feel High”

Some drivers are investigated after using products they believed were lawful or non-intoxicating, or after using cannabis without feeling impaired. Those facts do not automatically end a DUI case in Georgia, but they can affect which defenses matter most based on the theory charged and the evidence available.

Defense Strategies That May Help Avoid a DUI Conviction

Every case depends on the charge and evidence, but common approaches include:

• Challenging the stop/detention: Was the stop lawful? Was it improperly prolonged? (See Fourth Amendment.)
• Disputing impairment indicators (when impairment is the theory): Use video, witnesses, and medical explanations to test the state’s “less safe” narrative under O.C.G.A. § 40-6-391.
• Scrutinizing field sobriety evidence: Conditions, instructions, and non-drug explanations can matter. (See NHTSA SFST resources.)
• Attacking chemical testing proof: Chain-of-custody, lab methods, analytes tested, and statutory fit under O.C.G.A. § 40-6-391 and testing rules under O.C.G.A. § 40-6-392.
• Exploring lawful, case-specific resolutions: In some cases, a negotiated disposition may reduce risk and consequences, but availability varies by county, facts, and policy.

FAQ

Is there a “legal limit” for THC in Georgia like alcohol?

Georgia marijuana DUI cases are commonly litigated under a “less safe” impairment theory or, in some cases, a “drug present” provision. The charge and evidence used will drive what must be proven. See O.C.G.A. § 40-6-391.

Do I have to do field sobriety tests?

How you respond can affect the investigation and the evidence the state relies on. If you are facing charges, talk to a lawyer about your specific circumstances and what the video and reports show.

What if the blood test shows THC but I was not impaired?

In “less safe” cases, the state still generally has to prove impairment made you less safe to drive, and THC findings can raise timing and interpretation disputes. See NHTSA cannabis fact sheets.

Can a marijuana DUI affect my Georgia driver’s license?

Depending on the circumstances (including chemical testing issues), administrative license consequences may be implicated. See O.C.G.A. § 40-5-67.1.

Next Step

If you were arrested or cited for a marijuana DUI in Georgia and want a review of the stop, the testing, and the evidence timeline, contact our office.

Georgia-specific disclaimer: This article is general information about Georgia law and DUI procedure, not legal advice for your case. Results depend on the facts, the charge(s), the evidence, and local practices. Reading this article does not create an attorney-client relationship. For advice about your situation, consult a Georgia-licensed attorney.