Bifold doors are suspended from an overhead track containing a single channel.

The overhead track then stops, so the train runs on just the horizontal bottom supports.

The doors can slide in either direction along one axis on parallel overhead tracks, sliding past each other.

Most were dark, with the surrounding curtains pulled back and secured on overhead tracks.

She circled the bed to the accordion-style vinyl door, which hung from an overhead track.

As he descended the stairs from the overhead track there was no sign of her.

The machines competed for one another's attention as they moved automatically along the overhead tracks.

There was a comforting clunk, and the car shuddered on its overhead track.

An overhead track is necessarily higher, but may also be narrower.

These are also suspended from an overhead track, but one that contains only a single channel.