Home / Newfoundland and Labrador / Questions / Road Signs Road Signs Report A rectangular sign with a large black arrow means: A Detour route B One-way traffic in arrow's direction C Wind direction D Pedestrian route Show Answer & Explanation Correct Answer: B. One-way traffic in arrow's direction Large arrows at each block reinforce direction. Previous Next More Road Signs Questions A white diamond on blue background in a lane indicates: An orange or white sign reading 'ROAD CLOSED' means: An orange sign reading 'DETOUR' with arrow means: An orange diamond reading 'SURVEY CREW' means: An orange diamond with figure holding flag means: Often Missed All Newfoundland and Labrador Questions Smart Practice Mock Exam Road Signs Guide