Edward Elgar also loved trains. He apparently used to annoy his students at the Royal College of Music by telling them all about the engine that had brought him up from Worcester. I have always thought that his Introduction and Allegro for strings reminded me of travelling on a train.
Someone else obviously thought the same
https://www.youtube.com/watch?v=rL2gyP_yKqoThough not as good as the pictures in my mind