balloon loop

noun

balloon loop

noun

Etymology From its typical shape.

1

A looped section of track that allows a rail vehicle or train to reverse direction without having to shunt or even stop.

  • Balloon loops can be useful for passenger trains and unit freight trains, such as coal trains.
Synonyms
reversing loop, turning loop

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.