Unless it has changed recently, in Quebec they charge. It isn't much but still.If going to the USA, there is a Welcome Centre on the main highways as you enter each state. They have plenty of free maps there.
I believe the Ontario Welcome Centres have the same.
As others have said, CAA still has maps.
I have a friend who just last week had a Trip-Tik (CAA) prepared for his trip.
I was just in the Whitby Walmart and saw some. Interestingly, they were in the craft section so maybe a little hard to find.