Home / New Brunswick / Questions / Rules of the Road Rules of the Road Report Driving a tractor-trailer (semi) in NB requires: A Class 5 B Class 1 C Class 3 D Class 4 Show Answer & Explanation Correct Answer: B. Class 1 Requires MELT (Mandatory Entry-Level Training) since 2020. Previous Next More Rules of the Road Questions Snow and ice on vehicle (roof, hood) must be: Winter tires in NB are: Winter tires perform best below: Minimum safe following distance in dry conditions: Following distance on icy NB roads: Often Missed All New Brunswick Questions Smart Practice Mock Exam Road Signs Guide