The Canadian Transportation Agency (CTA; French: Office des transports du Canada, OTC) is the independent, quasi-judicial tribunal of the Government of Canada that makes decisions relating to federally-regulated modes of transportation (air, rail and marine). Its headquarters are in the Jules Léger Building (South) (Édifice Jules Léger (Sud)) in Terrasses de la Chaudière, Gatineau, Quebec. It is responsible for: The agency is headed by five full-time members, including the chairman and chief executive officer, and the vice chairman.