The Charlotte to Raleigh portion is predicted to be much more profitable with the corridor connected to DC and the Northeast Corridor.

Michael Joo's eight-minute video, "Salt Transfer Cycle" (1993/2000), is projected onto the wall of a shallow room at the end of a corridor connected to the main space by glass walls.

The original corridor, however, proved to be too short and unable to cope with rising passenger traffics and in 1986 a second, longer corridor connected the opposite sides of the stations allowing traffic to be diverted.

Permeated by laser-drilled corridors distributed almost at random... could there be two networks of corridors, connected only at the surface?

A Key Route stop in this corridor connected to the hotel's main lobby.

A long, narrow corridor connected the bedroom to a living room cluttered with near-antique furniture, a dining alcove, and a tiny kitchen that faced an alleyway at the rear of the building.