For the first time this election, Albertans were able to cast advance ballots at polls outside of their own riding. Those votes, as well as special ballots, will begin to be counted the day after the election. Advance votes counted on election dayAdvance votes cast within the riding will be counted on election day, but not until polls close. "If one party is winning a big percentage of the votes, then it's likely they're going to win in most ridings." Crucial Calgary seatsThe results in the Calgary ridings will also be an important determinant of which party will win the election, Weiers said.

Source: CBC News April 15, 2019 13:52 UTC