https://en.wikipedia.org/wiki/Link_light_rail Seattle was wise just like Edmonton to have long underground train stations. Unfortunatly, Vancouver always seems to opt for the congestive planning approach.
https://en.wikipedia.org/wiki/Link_light_rail#Lines Of course an all underground or all elevated line would be better than on the street. Thus, this is like a modern streetcar or a tram-train.
Why free public transport doesn't fix traffic (and what does) https://www.youtube.com/watch?v=K6md7gny4pY
