Home / Newfoundland and Labrador / Questions / Road Signs Road Signs Report A flashing sign reading 'POLICE CHECK AHEAD' means: A Ignore B Stop and cooperate at the checkpoint ahead C Construction D Pedestrian check Show Answer & Explanation Correct Answer: B. Stop and cooperate at the checkpoint ahead Ignoring a checkpoint is a criminal offence. Previous Next More Road Signs Questions A green rectangular sign indicates: A blue rectangular sign indicates: A brown rectangular sign indicates: A green shield with Trans-Canada maple leaf symbol means: Newfoundland and Labrador provincial highway route marker: Often Missed All Newfoundland and Labrador Questions Smart Practice Mock Exam Road Signs Guide