Come and visit the Operational Centre Exploitation Gare (COEG) of Paris Montparnasse and its operational room to discover the other side of the decor of a large Gare Parisienne and the management of its railway production. Meet with operational stakeholders to better understand how a station works. The COEG is a key location in an important part of the Montparnasse railway station’s living heritage, with more than 70 million passengers a year.