Originally shared on the public FactorioPrints / Factorio School archive (factorioprints.com · factorio.school). Authorship preserved from the public catalog.
3 lanes each direction, no crossovers, no stopping.
Note the intersection has no lane crossover points. This is done prior to entering the intersection. Part of my long haul resource transit system, so trains are rarely doing complex navigation, it's all just mine to base transit.