This takes place over 3-4 days in late spring, and sees the surrounding streets closed to traffic from dawn until late evening.
A few streets in the vicinity of Parliament Hill had closed down to make way for demonstrators.
The street is narrow and closed to vehicle traffic.
It is not a square in a true sense, but a street, normally closed to regular city traffic.
During the 1950s the street had closed to traffic for a couple of days at Christmas.
Local streets closed or restricted during this stage The roads below are scheduled to re-open by early 2008.
Even with the street closed for a time, a parking garage attendant said business was fine.
Residents didn't like having the street closed to cars for much of every weekday.
Sewers have been built, refineries shut and streets closed to traffic.
City officials kept the street closed off last evening and it was expected to remain closed today, though with little further traffic distruption.