EN15746-4:2020isaEuropeanstandardtitled"Railwayapplications—Track—Road-railmachinesandassociatedequipment—Part4:Technicalrequirementsforrunningandworkinginurbanrailtransit."Thisstandardspecifiestechnicalrequirementsforroad-railmachinesandassociatedequipmentwhenoperatinginurbanrailtransitenvironments.Itfocusesonsafety,interoperability,andperformancetoensurethesemachinescanworkeffectivelyandsafelyalongsideurbanrailsystems,addressingfactorslikeclearance,noise,emissions,andinteractionwithinfrastructure.ThestandardispartofaseriesunderEN15746,whichcoversvariousaspectsofroad-railmachineryusedinrailwayapplications.