Home / Newfoundland and Labrador / Questions / Rules of the Road Rules of the Road Report After impaired conviction, NL requires: A Optional interlock B Ignition interlock program C 3 months only D No interlock if low BAC Show Answer & Explanation Correct Answer: B. Ignition interlock program Prevents start with any detectable alcohol. Previous Next More Rules of the Road Questions Ambulance oncoming on divided highway: Stuck rural NL -25°C no cell: Diesel won't start -30°C: Front tires uneven wear: Brakes pull left when stopping: Often Missed All Newfoundland and Labrador Questions Smart Practice Mock Exam Road Signs Guide