Home / Newfoundland and Labrador / Questions / Road Signs Road Signs Report A yellow diamond reading 'NARROW BRIDGE' means: A One-lane bridge only B Bridge is narrower than the road — proceed carefully C Weight limit D Height limit Show Answer & Explanation Correct Answer: B. Bridge is narrower than the road — proceed carefully Common on rural NL bridges. Previous Next More Road Signs Questions A broken yellow centre line means: Solid yellow your side of centreline, broken on other: White lane lines separate: A blue square with a large H means: A blue square with a fuel-pump icon indicates: Often Missed All Newfoundland and Labrador Questions Smart Practice Mock Exam Road Signs Guide