BS EN 15746-3:2020 pdf free.Railway applications一Track一Road-rail machines and associated equipment.Technical requirements for running. BS EN 15746-3 This document deals with the technical requirements to minimize the specific railway hazards of self-propelled road-rail machines, as defined in EN 15746-1:2020, 3.1, henceforward referred to as machines, when designed and intended for running on European railways within the scope of European Directive 2007...