The Société Nationale des Chemins de Fer Luxembourgeois (French pronunciation: [sɔsjete nɑsjɔnal de ʃ(ə)mɛ̃ də fɛʁ lyksɑ̃buʁʒwa]; Luxembourg National Railway Company; abbr.

CFL operates most of its passenger trains using EMUs and electric locomotives with push-pull stock.

The company also has a fleet of diesel locomotives for hauling freight trains and for general shunting purposes.

CFL advertises its passenger network as made up of seven lines:[5] Internally it uses a different system with more sub divisions:[6] All neighbouring countries have 1,435 mm (4 ft 8+1⁄2 in) standard gauge railways, but only France uses the same electrification of 25 kV AC: Passenger ridership carried on CFL-trains for each fiscal year (x 1000).

In 2019, doubling of track between Luxembourg railway station and Sandweiler-Contern at a cost of €462 million was completed, following an original planned 2013 opening.