At our church we replaced asphalt paving with concrete in an area about 14' wide and 40' long. Most of it was against brick, concrete or a steep ivy-covered bank. It's condition had not deteriorated badly, but rather had an uneven surface that made it difficult for some of the older people to walk there.
The one short side was the only good access to rip from. We did make a sawcut roughly down the middle to help loosen things up. This was a Summer project, so the asphalt was softer than it would have been in December. After I managed to get the edge of the bucket under the asphalt it came up pretty easily. It did take a little patience to keep upward pressure on the asphalt while it stretched to the tearing/breaking point.