So let’s work through this.

There are very few distinct details; the locomotive is a weird half-steam half-diesel thing pulling the most nondescript consist of cars I’ve ever seen, the landscape is grey and featureless, and there’s an extremely prominent thunderstorm.

Going out on a limb here, is it Thunderstruck by AC/DC? Figure it interpreted “I was caught in the middle of a railroad track. THUNDER” and then didn’t really do anything with the rest of the lyrics.