Home / Manitoba / Questions / Road Signs Road Signs Report Flashing sign 'POLICE CHECK AHEAD': A Ignore B Stop — police checkpoint C Construction D Pedestrian Show Answer & Explanation Correct Answer: B. Stop — police checkpoint Impaired / licence / insurance checks. Previous Next More Road Signs Questions Yellow diamond with arrow converging: Orange diamond with 'DETOUR' + arrow: Orange diamond with worker silhouette: Orange diamond with flagger: Orange barrier sign reading 'ROAD CLOSED': Often Missed All Manitoba Questions Smart Practice Mock Exam Road Signs Guide