A bill passed through the House in late April would study potential blood level limits for a driver with a medical marijuana card.
House Bill 5024 would authorize a commission to study and recommend a THC limit that would constitute impaired driving, much like the .08 blood alcohol content established as a threshold for drunken driving. THC is the component responsible for marijuana’s effects.
Rep. Peter Lucido, R-Shelby Township, said the bill addresses issues that have arisen since voters approved the Michigan Medical Marijuana Act in 2008.
The law shields medical marijuana patients from prosecution for drugged driving as long as they aren’t under the influence of marijuana, but there’s no blood level threshold defining what constitutes “under the influence.”
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