[gogeo]

My then father-in-law worked as a civil engineer for WSDOT during that timeline, on the Mt. Baker tunnel expansion project.

He said the whole point of "selling" the airspace above I-5 was to effectively cap capacity there.

[TheErnFormerlyKnownAsBig]

Of course.... The engineers who designed that never thought people would drive past Seattle why else would you be driving towards Seattle unless you were going to it, incredibly stupid