Home / Newfoundland and Labrador / Questions / Road Signs Road Signs Report A yellow diamond with traffic-light icon means: A Traffic calming B Traffic signal ahead — prepare to stop C Yield D Roundabout Show Answer & Explanation Correct Answer: B. Traffic signal ahead — prepare to stop Reduce speed and prepare to stop. Previous Next More Road Signs Questions A white diamond on blue background in a lane indicates: A red eight-sided (octagon) sign in Newfoundland and Labrador means: A white rectangular sign marked 'MINIMUM 60' means: A white rectangular sign marked 'MAXIMUM 80' means: A red circle with a horizontal white bar inside means: Often Missed All Newfoundland and Labrador Questions Smart Practice Mock Exam Road Signs Guide