Home / Alberta / Questions / Road Signs Road Signs Report A 'Hidden Intersection' warning sign: A Closed intersection B Crossroad obscured by terrain/vegetation C School D Bike crossing Show Answer & Explanation Correct Answer: B. Crossroad obscured by terrain/vegetation Hidden intersections require extra vigilance. Previous Next More Road Signs Questions A 'Pavement Ends / Gravel Ahead' sign: A pedestrian crossover marked with X on pavement: A construction flagger's directions: A 'Yield Right of Way' sign: A sign reminding drivers of the 1-metre cyclist rule: Often Missed All Alberta Questions Smart Practice Mock Exam Road Signs Guide