Washington has passed legislation to *possibly* create a High-Speed Rail Authority. My opinion is that, as soon as people hear a state is cooperative (or just receptive) on high-speed rail, private companies like Virgin Trains will immediately step in and try to build a network.

https://www.planetizen.com/news/2019/05/104178-cascadia-high-speed-rail-authority-has-its-first-funding

I'm only linking the Planetizen summary because it's more concise.