About an hour long. Corny like they all were, but great action shots of Santa Fe steam
and a few Union Pacific too. Plus some great roundhouse shots too.
https://m.youtube.com/watch?v=PlBUcPfKQ0A
And here's a great synopsis if you can't bear to watch the whole thing (it's tough to
do.)
https://obscuretrainmovies.wordpress.com/2018/07/01/the-block-signal-1926/