Réseau Express Régional, or RER d'Île-de-France, the commuter rail service serving Paris and its suburbs
Réseau Express Régional Franco-Valdo-Genevois, now called Léman Express, commuter rail service serving Geneva (Switzerland), Annemasse (France) and its suburbs
In Belgium
Réseau express régional Bruxellois ('Brussels Regional Express Network'), the commuter rail service serving Brussels and its suburbs and commuters
Réseau Express Régional Gantois ('Ghent Regional Express Network'), the commuter rail service serving Ghent and its suburbs and commuters
This disambiguation page lists articles associated with the title RER. If an internal link led you here, you may wish to change the link to point directly to the intended article.