Mannheim–Frankfurt railway is a German standard gauge, electrified railway line and runs in southern Hesse and northern Baden-Württemberg between Frankfurt and Mannheim. It is the also called the Riedbahn (Ried Railway). The line runs through an area called the Hessische Ried, hence the name. The term Riedbahn was originally used for the Darmstadt–Worms railway and the two lines share the central section between Groß-Gerau and Biblis.