Home / Alberta / Questions / Rules of the Road Rules of the Road Report Before changing lanes: A Mirrors only B Mirrors + shoulder check C Honk D Signal only Show Answer & Explanation Correct Answer: B. Mirrors + shoulder check Mirrors can't show entire blind spot. Previous Next More Rules of the Road Questions Entering a roundabout: Left turn across oncoming traffic: Stopping distance at highway speed doubles when: Heavy rain / fog: Use of hazard lights: Often Missed All Alberta Questions Smart Practice Mock Exam Road Signs Guide