Home / Yukon / Questions / Rules of the Road Rules of the Road Report Tractor-trailer operation in Yukon requires: A Class 5 B Class 1 C Class 3 D Class 4 Show Answer & Explanation Correct Answer: B. Class 1 Articulated heavy vehicles require dedicated certification. Previous Next More Rules of the Road Questions Yukon passenger vehicle towing trailer: In Yukon, trailer brakes required above approximately: Large crack in driver sight line on Yukon windshield: Minimum tire tread for Yukon inspection: Black ice on Yukon road appears as: Often Missed All Yukon Questions Smart Practice Mock Exam Road Signs Guide