VIPR is what you're looking for: https://en.wikipedia.org/wiki/Visible_Intermodal_Prevention_and_Response_team https://en.wikipedia.org/wiki/Visible_Intermodal_

VIPR is what you're looking for: https://en.wikipedia.org/wiki/Visible_Intermodal_Prevention_and_Response_team https://en.wikipedia.org/wiki/Visible_Intermodal_Prevention_... It's not exactly airport style - at least in NYC and Philly they swab you for explosives and check your ID. No X-Ray or nude-o-scope. You're free to not go through the checkpoint (but you won't board your train).