Home / Yukon / Questions / Rules of the Road Rules of the Road Report Yukon 3-lane roundabout entry lane determined by: A First-come B Posted signs/markings for your exit C Speed D Vehicle size Show Answer & Explanation Correct Answer: B. Posted signs/markings for your exit Correct lane prevents mid-circle changes. Previous Next More Rules of the Road Questions Through vehicle and opposing left-turner at Yukon signalized green: All four Yukon approaches show flashing yellow: All four Yukon approaches show flashing red: Uncontrolled Yukon 4-way intersection right-of-way: Driving the Dempster Highway (north from Dawson to Inuvik): Often Missed All Yukon Questions Smart Practice Mock Exam Road Signs Guide