German federal state:

States of Germany

Germany is made up of sixteen which are partly sovereign constituent states of the Federal Republic of Germany. Land literally translates as "country", and constitutionally speaking, they are constituent countries...

Baden-Württemberg

Baden-Württemberg

Baden-Württemberg is one of the 16 states of Germany. Baden-Württemberg is in the southwestern part of the country to the east of the Upper Rhine, and is the third largest in both area and population of Germany's sixteen states, with an area of and 10.7 million inhabitants...

French region: Alsace

Alsace

Alsace is the fifth-smallest of the 27 regions of France in land area , and the smallest in metropolitan France. It is also the seventh-most densely populated region in France and third most densely populated region in metropolitan France, with ca. 220 inhabitants per km²...

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The Appenweier–Strasbourg railway is a major railway line linking the French TGV station at Strasbourg with the German Rhine Valley Railway (Rheintalbahn) and the Karlsruhe–Basel high-speed railway (between Offenburg

Offenburg

Offenburg is a city located in the state of Baden-Württemberg, Germany. With about 60,000 inhabitants, it is the largest city and the capital of the Ortenaukreis.Offenburg also houses University of Applied Sciences Offenburg...

 and Baden-Baden

Baden-Baden

Baden-Baden is a spa town in Baden-Württemberg, Germany. It is located on the western foothills of the Black Forest, on the banks of the Oos River, in the region of Karlsruhe...

stations). The line is almost entirely double-tracked and fully electrified. The section between Kehl and Appenweier is undergoing a modernisation with the goal of a maximum speed of 200 km/h.