yes, sadly that is literally the reason.
"Find a photo of a train we can use on this poster." - done.
My hometown, Waverly NY, did the same thing with their official village logo.
Waverly was on the mainline of the Erie railroad, a very historic and important American railroad.
If you had to pick an image to represent the Erie you might pick this:
View attachment 253228
or this:
View attachment 253229
Here is the logo Waverly created:
View attachment 253230
Its a very tiny 0-4-4T commuter Forney, of the type that ran on the New York City elevated commuter lines..
Waverly is no where near New York City, and nothing like that ever ran on the Erie.
it was simply a case of "draw a steam engine for this logo" - done.
Scot