Home / Nova Scotia / Questions / Rules of the Road Rules of the Road Report Minimum signal distance before changing lanes on a highway in NS: A No rule B At least 30 metres (100 ft) C Right at the lane line D 200 metres Show Answer & Explanation Correct Answer: B. At least 30 metres (100 ft) Early signalling lets others anticipate. Previous Next More Rules of the Road Questions NS police can use at roadside for drug impairment: A vehicle first aid kit in NS is: Cannabis edible consumed 1 hour ago: Driver has one drink per hour — are they safe to drive? Funeral procession enters your intersection: Often Missed All Nova Scotia Questions Smart Practice Mock Exam Road Signs Guide