Switzerland. Canton Ticino. Lugano. Railway station. A police officer from TPO (Transport Police). The policeman wears a special riot police black uniform and holds in his hand a grenade launcher (40 mm BT08).TPO (Transport Police) is the Swiss Federal Railways Police. Swiss Federal Railways (German: Schweizerische Bundesbahnen (SBB), French: Chemins de fer fédéraux suisses (CFF), Italian: Ferrovie federali svizzere (FFS)) is the national railway company of Switzerland. It is usually referred to by the initials of its German, French and Italian names, as SBB CFF FFS. 2.06.2017 © 2017 Didier Ruef