https://globalnews.ca/news/3280023/north-vancouver-mayor-calls-for-rapid-transit-tunnel-linking-north-shore-to-vancouver/
https://en.wikipedia.org/wiki/Lonsdale_Tunnel
http://www.lowerlonsdale.ca/throwback-thursday-lonsdale-rail-tunnel
http://www.6717000.com/blog/2002/02/tunnel-plan-keeps-resurfacing
https://canada.constructconnect.com/joc/news/projects/2017/04/has-the-time-for-the-burrard-inlet-tunnel-finally-arrived-1023021w