https://viewpointvancouver.ca/2017/10/02/burrard-bridge-1934when-motordom-reigned-supreme/
The original configuration of the BB had a 6 lane upper deck and a provision for 2 streetcar or tram-train tracks.
https://viewpointvancouver.ca/2017/10/04/burrard-bridge-always-controversial/
Given the backward Vancouver planning mentality, a 2 level bridge was like something out of a Sci-Fi movie. Thus, a lower level
