Home / Nova Scotia / Questions / Rules of the Road Rules of the Road Report Tire rotation interval for even wear: A Never needed B Approximately every 10,000 km or per manufacturer recommendation C Every 1000 km D Only at flat tires Show Answer & Explanation Correct Answer: B. Approximately every 10,000 km or per manufacturer recommendation Check alignment at rotation. Previous Next More Rules of the Road Questions Driving while suspended in NS is: Snow and ice on the vehicle (roof, hood) must be: Winter tires perform best below: Winter tires in NS are: Recommended following distance on icy NS roads: Often Missed All Nova Scotia Questions Smart Practice Mock Exam Road Signs Guide