Home / New Brunswick / Questions / Road Signs Road Signs Report A left-arrow crossed by a red slash means: A Mandatory left turn B No left turn at this location C Detour left D Merge left Show Answer & Explanation Correct Answer: B. No left turn at this location Reduces conflict with oncoming traffic. Previous Next More Road Signs Questions A yellow diamond with a truck on a slope means: A yellow diamond reading 'ROUGH ROAD' means: A yellow diamond reading 'LOOSE GRAVEL' means: A yellow diamond reading 'SOFT SHOULDER' means: A yellow diamond with a pavement-edge drop icon means: Often Missed All New Brunswick Questions Smart Practice Mock Exam Road Signs Guide