Home / Newfoundland and Labrador / Questions / Road Signs Road Signs Report A broken white line between lanes means: A No lane change B Lane change allowed when safe C Bike lane D Shoulder Show Answer & Explanation Correct Answer: B. Lane change allowed when safe Solid white discourages. Previous Next More Road Signs Questions A white diamond on blue background in a lane indicates: A sign reading 'HIGH COLLISION AREA' means: A centre lane marked with two-way arrows and yellow edges means: A yellow plate '50 km/h' under a curve warning sign is: A yellow diamond with STOP icon means: Often Missed All Newfoundland and Labrador Questions Smart Practice Mock Exam Road Signs Guide