Home / Newfoundland and Labrador / Questions / Road Signs Road Signs Report A yellow diamond with T-shape and one arrow means: A Dead end B Crossroad both sides C T-intersection — must turn left or right D Merge Show Answer & Explanation Correct Answer: C. T-intersection — must turn left or right No through option. Previous Next More Road Signs Questions A white diamond on blue background in a lane indicates: An orange diamond with a worker silhouette means: A yellow diamond with two converging arrows means: An orange or white sign reading 'ROAD CLOSED' means: An orange sign reading 'DETOUR' with arrow means: Often Missed All Newfoundland and Labrador Questions Smart Practice Mock Exam Road Signs Guide