https://en.wikipedia.org/wiki/Tilikum_Crossing
https://en.wikipedia.org/wiki/Burrard_Bridge
https://www.urbanyvr.com/burrard-bridge-pedestrian-cyclist-improvements
If Vancouver had just built a proper bike bridge, then the Burrard_Bridge could still have 6 lanes. The city would rather create more congestion by reducing an already narrow road network.
