Home / Newfoundland and Labrador / Questions / Road Signs Road Signs Report A yellow diamond with two vertical up/down arrows means: A Divided highway starts B Two-way traffic begins ahead — opposing traffic C Four-way stop D Lane ends Show Answer & Explanation Correct Answer: B. Two-way traffic begins ahead — opposing traffic Reduce speed and stay right. Previous Next More Road Signs Questions A white diamond on blue background in a lane indicates: A yellow diamond sign always indicates: A white rectangular sign generally is: Newfoundland and Labrador provincial highway route marker: Double solid yellow centre line means: Often Missed All Newfoundland and Labrador Questions Smart Practice Mock Exam Road Signs Guide