pipelines. Oversight The Swiss transport system is overseen by several offices within the Federal Department of Environment, Transport, Energy and Communications. The principal such offices are the: Federal Office for Civil Aviation, which is responsible for civil aviation. Federal Office of Transport, which is responsible for public and freight transport, covering rail transport, cableways, ships, trams and buses. Federal Roads Authority, which is responsible for roads. See also NRLA List of mountain passes in Switzerland List of mountains of Switzerland accessible by public transport Vehicle registration plates of Switzerland Swiss Transport Museum List of Swiss tariff networks References Citations Sources External links http://www.autobahnen.ch/ — A website about Swiss motorways