Home / Alberta / Questions / Road Signs Road Signs Report A solid white line across a lane at intersection: A Centre B Stop line — where to stop at sign/signal C Edge D Bike Show Answer & Explanation Correct Answer: B. Stop line — where to stop at sign/signal Stop before the line at stop sign or red light. Previous Next More Road Signs Questions A 'Pavement Ends / Gravel Ahead' sign: Warning sign showing road narrowing: A 'Bump' warning sign tells drivers to: A 'Dip' warning sign alerts to: A 'Hidden Intersection' warning sign: Often Missed All Alberta Questions Smart Practice Mock Exam Road Signs Guide