I think this is a misimpression. About half the funding came from various government agencies, and about half from a special assessment on property near the li

I think this is a misimpression. About half the funding came from various government agencies, and about half from a special assessment on property near the line. The main owner along the corridor was Vulcan (Paul Allen), who rented a lot of space to Amazon, but as far as I know at the time (~2007) Amazon didn't own any property along the line.