Complex sentence: Highway 2 is the main portion of the CANAMEX Corridor in Alberta that connects Canada to the United States and Mexico, and is the longest and busiest highway in the province, carrying 170,000 vehicles per day in central Calgary and 100,000 vehicles per day in Edmonton.
Split into simpler sentences: Highway 2 is the preferred path of the CANAMEX Corridor linking Canada to the United States and Mexico. It is the longest and busiest highway in the province, carrying 170,000 vehicles per day in central Calgary and 100,000 vehicles per day in Edmonton.