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. It is set amongst railway workers and takes its name from Gleisdreieck on the Berlin U-Bahn. It was partly shot at the Babelsberg Studios in Potsdam. The film's sets were designed by the art directors Carl Böhm and Erich Czerwonski. It was shot on location around Berlin. It premiered at the city's Ufa-Palast am Zoo.