No, the law is a zero-tolerance law. zero means zero, not an amount that would cause intoxication.
From the Court's decision:
As stated above, the Public Health Code includes within the definition of marijuana every compound and derivative of the plant or its seeds or resin. THC is the main psychoactive substance found in the cannabis plant. 11- carboxy-THC is a metabolite of THC in that it is produced when the body metabolizes THC...It is undisputed that THC and 11-carboxy-THC are identical except that in 11-carboxy- THC, two oxygen atoms are added to and three hydrogen atoms are removed from the eleventh carbon to make it more water soluble and easier to excrete.
The law prohibits driving with a class 1 controlled substance in your system. From the article, carboxy THC was added to that list by the judges through judicial fiat.
The result may be equitable - I'm not arguing that point - but the method is more than suspect.
BTW - "zero tolerance" equates to "zero intelligence".
Everything Has Its Time
1 To everything there is a season,
A time for every purpose under heaven:
2 A time to be born,
And a time to die;
A time to plant,
And a time to pluck what is planted;
Ecclesiastes 3 (New King James Version)
A time to grow cannabis,
a time to harvest it,
a time to cure it,
and a time to smoke it.