Paris–Saint-Germain-en-Laye railway

The Paris–Saint-Lazare–Saint-Germain-en-Laye line is a 20.4 km (12.7 mi) long double-track suburban railway line in France, connecting Paris-Saint-Lazare station (8th arrondissement of Paris) to Saint-Germain-en-Laye station, in the Yvelines department. It is now designated as line no.

Source: Wikipedia — Paris–Saint-Germain-en-Laye railway (CC BY-SA 4.0)