The Directive applies to:

• the entire Union rail system;
• ‘tram-trains’ as when they operate on national rail infrastructure;

The Directive does NOT apply to (unless Member States do not decide otherwise):

• Local public transport systems (metros, trams and other light rail systems);
• privately owned railway infrastructure (incl. sidings);
• local, historical or touristic infrastructure and vehicles;
• light rail infrastructure occasionally used;
• vehicles primarily used on light rail infrastructure.