There's a lot more material involved, for one. Several trains, hundreds of miles of rail, train stations, bridges, etc. Lots more environmental studies to be d

There's a lot more material involved, for one. Several trains, hundreds of miles of rail, train stations, bridges, etc. Lots more environmental studies to be done. Lots more interests involved. How many private individuals had to be imminent domain'd for JWST? I imagine there will be more people employed building the rail, but overall lower average salaries.