Unless otherwise indicated, the speed limit on Calgary roads is 50 km/h (31 mph). Keep an eye out and be careful when driving in school zones as the limit drops to 30 km/h (19 mph). Freeways and highways will vary between 80 km/h (50 mph) and 110 km/h (68 mph) so it is important to always pay attention to the signage. Search car hire on KAYAK