(Hey, it must be my computer, because on the second diagram, the Noth Shore Interchanges Reconfiguration, the map was squished over to the left side of the screen. Also, I didn't quite understand what you were trying to do there.)
The original Metro Road Reorganization Map is still great, but differs from the massive tunnel project in that (as far as I can tell) the road traffic still goes over the Lions Gate.
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Now ..... for the First Narrows Tunnel or Fantasy .... this is where our thinking lines up!! Too bad we don't have money like the United Arab Emirates, because this project (which I would do as eight lanes in the main tunnel) is totally magnificent, in my point view.
There will be the "boo-ers and hiss-ers" who'll come up with any and all reasons against it, but I love that project idea, and I'm saying so here.
It would take the flow of crosstown traffic, much of it going to Hoseshoe Bay or Whistler and back, and clear it off the main streets, unclogging downtown.
The size and scope is magnificent, and it allows entry and exit from downtown, and midtown (the Broadway area). I'd love to see it become a reality. The biggest block against it would, as I said before, be the mega-mega $$$$$$$$$$$$$$ price tag.
But It's a super concept. Oh ... and this time I was able to see the outlines OK. (I just don't know how to adjust the opacity on my PC) Funny, because most other things come through perfectly OK .... but that's not the topic of this lesson....
Super imagination. Super work. Yay!