Home / Newfoundland and Labrador / Questions / Rules of the Road Rules of the Road Report Fog so thick see only 30 m near St. John's: A Continue 50 B Slow to speed where can stop in visible C Normal D Flash lights Show Answer & Explanation Correct Answer: B. Slow to speed where can stop in visible Common NL summer coastal fog. Previous Next More Rules of the Road Questions Ambulance oncoming on divided highway: Tire retread late seen at 100: NL road test 'scanning' evaluated — good scanning: Idling to warm up modern vehicle: Starting cold vehicle -20°C: Often Missed All Newfoundland and Labrador Questions Smart Practice Mock Exam Road Signs Guide