Photographs of signs
That transcend their objectivity
To reveal our humanity

While it's a very good idea for trains to stop at the end of the tracks, I think 'dead end' would better convey the gravity of the situation should a train not stop here and instead go over the end of the embankment.
Location: Bayview O-Train station, Ottawa, Canada.
Location: Bayview O-Train station, Ottawa, Canada.