Home / Alberta / Questions / Rules of the Road Rules of the Road Report Commercial trucks in Alberta have speed limiter at: A 90 km/h B 100 km/h C 105 km/h D No limit Show Answer & Explanation Correct Answer: C. 105 km/h Consistent across Canada/US. Previous Next More Rules of the Road Questions Class 7 learner must be supervised by: Minimum GDL probationary stage duration in Alberta: Alberta Class 5 full (non-GDL) minimum age with GDL graduation: GDL driver blowing any BAC faces: To progress from Class 7 to Class 5-GDL you need to: Often Missed All Alberta Questions Smart Practice Mock Exam Road Signs Guide