Balloon loop
A balloon loop allows a train to reverse direction without having to shunt or stop. Balloon loops can be useful for passenger trains, and unit freight trains, such as coal trains.
Balloon Loop Media
Balloon loop at Linnéplatsen at the tramway in Gothenburg, Sweden.
Light-rail train using the balloon loop at Lechmere station in Cambridge, Massachusetts USA in 2020
View of the balloon loop at the temporary PATH World Trade Center station from above.