The Rhine–Danube Corridor (previously known as Seine–Danube Corridor and Strassburg–Danube Corridor) is the ninth of the ten priority axes of the Trans-European Transport Network.

[1] The Strasbourg–Danube Corridor develops its network from the Seine to the Danube on the following three axes and through the following European cities[2] (see route in cyano on the official TEN-T map published on the European Union website visible below in the note).

[3]