For more information on the route, I'd highly recommend this video by 7idea Productions on the route (UP calls it the Brooklyn Subdivision): [MEDIA]
I guess I should've marked it as a "route" and not merely an "expansion". That's on me.
Greetings, fellow rail nerds! I come to suggest adding the Amtrak Cascades (broken record, I know). However, I am suggesting adding the shorter...
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