Well, they’ve done ocean arks and space arks. They’ve done land-locked city bound ‘arks’. They’ve done underground and above ground. They’ve done just about every wilda$$ scenario of dystopian future and an island-of-refuge one can think about.
So, now we get a train, traveling throughout the desolate land with the cargo cars (peons) and the higher class cars the closer one gets to the bridge, I mean engine. Just damn.
I wonder what the movie team had to do for the writer to put his prose into action without badmouthing it. I just wonder. An aside - I hear they’re making a Sharknado 2 ! Should be lotsa fun there!