Originally Posted by
König
Does a traveler have to park and go inside to receive a paper I-94? If a primary CBP officer can print it in the booth, then I can see how prepaying the I-94 fee might save a traveler (and his/her companions) a lot of time at the border.
According to the documentation you still need to get biometrics and an "interview" (although I guess you get the interview at the booth). So if they add mobile fingerprint scanners and a camera at the booths then I guess it works, but that seems unlikely.