Home / Newfoundland and Labrador / Questions / Road Signs Road Signs Report A broken yellow centre line means: A No passing B Passing permitted when safe C Bike lane D Construction Show Answer & Explanation Correct Answer: B. Passing permitted when safe Driver judges safety. Previous Next More Road Signs Questions A white diamond on blue background in a lane indicates: A sign reading 'HEIGHT LIMIT 4 m' means: A sign reading 'LOAD LIMIT 10 T' means: A sign reading 'SPEED ZONE ENDS' means: A sign reading 'WIDTH 3 m' means: Often Missed All Newfoundland and Labrador Questions Smart Practice Mock Exam Road Signs Guide