Michigan Commission: THC Level Not a ‘Reliable Indicator’ of Driving Impairment

April 2, 2019

A state commission says Michigan should not set a legal limit for how much of marijuana’s active ingredient motorists can have in their system.

The Impaired Driving Safety Commission recently forwarded its findings to Gov. Gretchen Whitmer and the Legislature after spending nearly two years studying how marijuana affects drivers.

The Lansing State Journal reports the panel recommended that Michigan set no limit for the amount of marijuana’s active ingredient is in a motorist’s blood.

The commission’s report says levels of tetrahydrocannabinol, or THC, in a person’s blood are not a “reliable indicator” of whether they’re impaired.

The panel instead recommended that the state continue to use roadside sobriety tests to determine if a driver is impaired.

Michigan approved medical marijuana use in 2008, and recreational marijuana use last year.

Topics Personal Auto Cannabis Michigan

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Latest Comments

  • April 8, 2019 at 9:27 am
    Captain Planet says:
    JUNE 21, 2018 AT 3:13 PM Craig Cornell says: LIKE OR DISLIKE: 1 1 Right. Now that’s a leap of logic only a pothead could make . . .
  • April 6, 2019 at 4:17 pm
    Craig Cornell says:
    Fine. Let's get technical. But they didn't approve it, did they? Out here in Cali., lots of left-leaning people are wising up about pot and the damage it can do. Many are aski... read more
  • April 5, 2019 at 1:50 pm
    Captain Planet says:
    Oh, c'mon - since when do truth and facts matter?

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