Train Wreck Meaning

(idiomatic) A disaster, especially one which is large in scale and readily seen by public observers.

Example: The aftermath of a train crash.
1986, Hugh Sidey, "The Presidency: Colliding with Realities," Time, 1 Sept.:
  There is a feeling in Washington that we are gathering at the side of the track to watch a gigantic economic train wreck one of these days.
2007, Mel Odom, Blood Evidence, ISBN 9781414303079, p. 168:
  "Your personal life has been, and is, a train wreck."