Horse Carriage Ride Swanston St Melbourne Horse Carriage Rides Down Swanston?

Melbourne horse carriage rides down Swanston? - horse carriage ride swanston st

So, this question bothers me. Down Swanston St, Melbourne, no cars on the road for people to make excursions. But where and how the horses pulling carts go at night? Ask a lot of horses, all in a truck? You go to a nearby Horse House? What Car?