Home / Alberta / Questions / Road Signs Road Signs Report A solid white line at right edge of lane: A Centre line B Fog line — edge marker C Shoulder marker D Yield line Show Answer & Explanation Correct Answer: B. Fog line — edge marker Crossing onto shoulder is risky. Previous Next More Road Signs Questions Flashing hand with countdown means: A school bus extending its red stop arm: Freeway exit numbers correspond to: Before entering a tunnel you should: A yellow diamond with curve + speed number: Often Missed All Alberta Questions Smart Practice Mock Exam Road Signs Guide