Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
I created a 16 to 8 Belt Buffer for my Smelters to combine ultra high Output with a steady flow of material to the next trainstation.
For higher throughput on trainstation : Replace chests with logistics chests and add robots... et voilà. Super High flow of Materials with trains!