Home / New Brunswick / Questions / Rules of the Road Rules of the Road Report Cannabis edible taken 30 minutes before driving: A Legal B Risk of impairment — don't drive; edibles peak hours later C Only oil D No concern Show Answer & Explanation Correct Answer: B. Risk of impairment — don't drive; edibles peak hours later Don't drive after any THC. Previous Next More Rules of the Road Questions Ambulance oncoming on divided highway with siren: A conviction typically affects NB insurance for: Light rain during daytime in NB: Ambulance approaches from behind with siren: Transit bus yield signal to re-enter lane: Often Missed All New Brunswick Questions Smart Practice Mock Exam Road Signs Guide