https://dailyhive.com/vancouver/r2-marine-willingdon-rapidbus-metrotown-bus-route-translink
http://www.transitdb.ca/route/R2
A Boundary+Road Bridge over the inlet could have had a couple of Rapid Bus lanes and relieved some of the traffic on the inadequate Iron+Bridge. Had The+Iron+Bridge been originally designed to have 2 wide shoulders and 2 wide emergency lanes, then it could have been gradually adapted to accommodate 4 general lanes each way and 1 Rapid Bus lane each way. Instead, busses, trucks, cars and motorcycles are all squeezed into 3 lanes each way.
https://jfdatalinks.blogspot.com/search?q=R2+RapidBus
https://jfdatalinks.blogspot.com/search?q=Boundary+Road+Corridor