The Rodgau Railway (Rodgaubahn) is a railway line that runs from Offenbach Central Station via Rodgau to Rödermark-Ober-Roden in the German state of Hesse. The name Rodgaubahn is derived from the medieval name of Rodgau, part of the former Maingau, which the line passes through for its whole length.

Offenbach am Main Hauptbahnhof is a railway station serving the German city of Offenbach am Main. It is located on the Frankfurt–Göttingen railway between Frankfurt and Hanau on the south bank of the Main. It is also the starting point of the Rodgau Railway, via Obertshausen, Rodgau and Ober-Roden to Dieburg.