May I humbly offer up tracks/trains:
The train shape (and rough texture) is based on the ICE trains the Deutsche Bahn employs. They elements are modular, so you can have as long a train as you would like. They are also independent of the track, which is comprised of a lot of independent elements. This will allow for destroyed sections (and raised sections) without the need to redesign.
I will be creating a more permanent texture for the train, I've used a placeholder for demonstration.
Enjoy,
Tirick
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TCF Gaming