Home / Alberta / Questions / Road Signs Road Signs Report A 'Soft Shoulder' sign: A Speed bumps B Edge may not support vehicle C Trucks prohibited D Pedestrians Show Answer & Explanation Correct Answer: B. Edge may not support vehicle Drifting onto soft shoulder can pull vehicle off-line. Previous Next More Road Signs Questions A 'Pavement Ends / Gravel Ahead' sign: A sharrow (bike symbol with chevrons) on pavement: A green-painted bike box at intersection: A funeral procession warning sign: A 'No Stopping' sign means: Often Missed All Alberta Questions Smart Practice Mock Exam Road Signs Guide