Definitely. This can totally change the economics too. If you calculate the ROI based on passenger numbers from the existing air travel market but your ticket pricing (and other factors - speed, comfort) is so good that ridership increases by a factor of 4, revenues go through the roof and you only have to buy a few more capsules and stations to support the demand... and those are the cheap part. So you probably go from 20% ROI to 100%+ ROI. Not bad :-)

It gets even more attractive once you link up the dots between areas. If you built a hyperloop between NYC and Chicago, for example, you'd probably route it through Detroit... which means you also capture the NYC-Detroit and Chicago-Detroit traffic.