I've tried digging out roses that have been in the same place for years. I must say I was surprised at how deep the roots can go. And one piece of root always seems to get left behind, eventually sprouting a new plant. Use sharpened shovels or spades if the roots go deep - will make digging easier. If you can drag the dug-up bush onto a large piece of cardboard or burlap, you could drag the bush to its new home.