[TurboZamboni]

And what’s the level to be considered too impaired to drive?

“I only had one joint...the size of a Churchill cigar”

[ConservingFreedom]

And what’s the level to be considered too impaired to drive?

“I only had one joint...the size of a Churchill cigar”

It's set by the state, and measured in blood concentration of THC not number of joints.