Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
Novice's take on a 24 station 'hub' for trains to park it when they aren't in use. (ignore the 4 way intersection to the right in the screenshot).
EDIT: Built for the exclusive use of 1-2 trains, larger trains may gum up the works, and added two signals.