Home / Nova Scotia / Questions / Rules of the Road Rules of the Road Report NS requires headlights on when: A Only during darkness B Half-hour after sunset to half-hour before sunrise, and when visibility < 150 m C Only in rain D Optional most of time Show Answer & Explanation Correct Answer: B. Half-hour after sunset to half-hour before sunrise, and when visibility < 150 m Applies even midday in storms. Previous Next More Rules of the Road Questions The core principle of defensive driving in NS: Upgrading from Class 5 to Class 1 (semi) in NS requires: Driving while licence suspended in NS: Licence expired yesterday; driving today: Foreign visitor with valid home-country licence in NS: Often Missed All Nova Scotia Questions Smart Practice Mock Exam Road Signs Guide