Update: The bridge reopened to vehicles travelling in both directions just after 4 p.m.
Granville Street is one of Vancouver's busiest bus corridors going in and out of the downtown.
But a demonstration by those sympathetic to Wet'suwet'en hereditary chiefs has made this route impassable for motor vehicles this afternoon and quite likely into the evening.
It comes on the same night that former Canucks Henrik and Daniel Sedin will be honoured at Rogers Arena, which will add to the traffic on the Cambie Bridge.
In response to this situation, TransLink has used its Twitter feed to advise passengers about various detours.