Well, 'Spaw, seems like most of my repertoire and folk/skiffle record collection is train-related. I'm sure most of these have been mentioned:Freight Train;Wreck of the old 97; Rock Island Line; Wabash Cannonball;Casey Jones;Workin' on the Railroad;John Henry; Take this hammer;Last train to San Fernando;Streamline Train; 6.5 special;Choo Choo Ch'boogie and lots that mention trains:Worried Man Blues;Weeping Willow Blues;Lost John;Alabamy Bound;Buddy can you spare a dime.
This from work and away from aids to memory.
Long Steel Rail is a great book which Herself bought me after I saw it recommended by Joe and others.
RtS (chug chug Whooo Whooo - never mastered Honky Tonk Train Blues on the kazoo!)