Home / Alberta / Questions / Road Signs Road Signs Report A blue rectangular service sign: A Warning B Services — fuel, food, lodging C Regulatory D Construction Show Answer & Explanation Correct Answer: B. Services — fuel, food, lodging Plan rest/fuel stops using service signs. Previous Next More Road Signs Questions Flashing hand with countdown means: A 'Pavement Ends / Gravel Ahead' sign: A green-painted bike box at intersection: A sharrow (bike symbol with chevrons) on pavement: A 'No Stopping' sign means: Often Missed All Alberta Questions Smart Practice Mock Exam Road Signs Guide