It may have been an emergency in the first days with the honking. That largely stopped after a week or so.
They switched to camping in front of the parliament with bouncy castles etc.
The bridge that was occupied in another province was cleared.
I'm really not under the impression that at the time they went in there was any emergency. It was ugly: Peaceful unarmed protesters in pedestrian zones with no trucks in sight were pushed back by squads with assault rifles and loud tear gas grenades. People with assault rifles stormed delivery vans.
The narrative at the time was that of a huge "far right" (what a surprise ...) conspiracy. No proof has ever emerged, it was just an abuse of power of the "left" who were at the peak of their power back then.
Good riddance, Trudeau.