single-track

[ sing-guhl-trak ]

adjective

1. (of a railroad or section of a railroad's route) having but one set of tracks, so that trains going in opposite directions must be scheduled to meet only at points where there are sidings.
2. having a narrow scope; one-track:

   He has a single-track mind.

single-track

adjective

1. (of a railway) having only a single pair of lines, so that trains can travel in only one direction at a time
2. (of a road) only wide enough for one vehicle
3. able to think about only one thing; one-track

Word History and Origins

Origin of single-track¹

An Americanism dating back to 1825–35

Example Sentences

It had a single track about two miles long, with a switch in the middle for the passing of cars from the opposite ends.

From Project Gutenberg

A snow of several inches in depth had fallen, and within the circle enclosed by the palisade not a single track was to be seen.

From Project Gutenberg

It was the old and deadly peril of fighting blockades from both ends on a single track.

From Project Gutenberg

Along this single track of iron road the entire transport of the Servian Army is being effected.

From Project Gutenberg

Through the immense ocean of universal change we look back on the single track which our frail boat has cut through the waste.

From Project Gutenberg