• EN 50126: Railway applications - The specification and demonstration of reliability, availability, maintainability and safety (RAMS)
• EN 50129: Railway applications - Communication, signaling and processing systems - Safety related electronic systems for signaling”
• EN 50128: Railway applications - Communication, signaling and processing systems - Software for railway control and protection systems
• EN 50121: Railway applications - Electromagnetic compatibility
• EN 50122: Railway applications - Fixed installations - Electrical safety, earthing and the return circuit
• EN 50124: Railway applications - Insulation coordination
• EN 50125: Railway applications - Environmental conditions for equipment
• EN 50153: Railway applications - Rolling stock - Protective provisions relating to electrical hazards
• EN 50159: Railway applications - Communication, signaling and processing systems
• EN 50155: Railway applications - Rolling stock - Electronic equipment
