Home / New Brunswick / Questions / Road Signs Road Signs Report A yellow diamond with a truck-bottom icon warns: A Road work B Low ground clearance — long vehicles may scrape C Detour D Weight limit Show Answer & Explanation Correct Answer: B. Low ground clearance — long vehicles may scrape Commercial drivers pay close attention. Previous Next More Road Signs Questions A white diamond on a blue background in a lane indicates: A sign reading 'WILDLIFE AREA NEXT X KM' means: A yellow sign reading 'WATCH FOR MOOSE' in northern NB means: A flashing sign reading 'POLICE CHECK AHEAD' means: A green sign with a truck icon and arrow directs: Often Missed All New Brunswick Questions Smart Practice Mock Exam Road Signs Guide