This is a train crossing that lights up solid green for safe, solid yellow for caution, and flashing red for DO NOT CROSS.
Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
This is a train crossing that lights up solid green for safe, solid yellow for caution, and flashing red for DO NOT CROSS.