Dangerous Crossing or Rail Triangle (German: Gleisdreieck) is a 1937 German crime film directed by Robert A. Stemmle and starring Gustav Fröhlich, Heli Finkenzeller, and Paul Hoffmann.

[1] It is set amongst railway workers and takes its name from Gleisdreieck on the Berlin U-Bahn.

The film's sets were designed by the art directors Carl Böhm [de] and Erich Czerwonski.

A young railway worker rescues a woman from committing suicide and swiftly falls in love with her.

However, before long he is drawn into the criminal schemes of her brother, recently released from prison.