Mannheim–Karlsruhe–Basel railway

The Mannheim–Karlsruhe–Basel railway is a double-track electrified mainline railway in the German state of Baden-Württemberg. It runs from Mannheim via Heidelberg, Bruchsal, Karlsruhe, Rastatt, Baden-Baden, Offenburg and Freiburg to Basel, Switzerland. It is also known as the Rhine Valley Railway (German: Rheintalbahn) or the Upper Rhine Railway (Oberrheinbahn).

Denzlingen station is a station in Denzlingen in Baden-Württemberg, Germany. It lies on the Rhine Valley Railway at the junction with the Elz Valley Railway (Elztalbahn), which runs to Elzach. It is served by trains operated by Deutsche Bahn (DB) and the Breisgau S-Bahn (BSB) and has a total of four platform tracks. DB designates it as a class 4 station.

Emmendingen station is a station in Emmendingen in Baden-Württemberg, Germany. It was opened with the section of the Rhine Valley Railway from Offenburg to Freiburg on 1 August 1845.

The Katzenberg Tunnel is a railway tunnel on the Karlsruhe–Basel high-speed railway that opened in December 2012. The tunnel was built to increase the capacity and speed of the Mannheim–Karlsruhe–Basel railway (Rhine Valley Railway, or Rheintalbahn in German) and was built to remove the freight traffic from the towns on the old line. The two parallel, single-track tunnels, which can be passed at up to 250 km/h, extend from Bad Bellingen to Efringen-Kirchen With a length of 9,385 m, it is the third longest tunnel after the Landrücken Tunnel and the Münden Tunnel and the longest twin-bore tunnel in Germany.

The Karlsruhe–Basel high-speed railway (Ausbau- und Neubaustrecke Karlsruhe–Basel, literally "Upgraded and new line Karlsruhe–Basel") is a new line being built on the route of the Mannheim–Karlsruhe–Basel railway (Rhine Valley Railway). As a result of the project, the railway through the Rhine Valley is being upgraded to four continuous tracks and its operational efficiency will be increased as a result of the segregation of the various transport flows. The travel time for passenger services between Karlsruhe and Basel is to be shortened by 31 minutes. The project forms part of the Rotterdam–Genoa corridor and part of it is also part of the Main line for Europe (Magistrale für Europa in German and Magistrale européenne in French; Paris–Budapest). In September 2010, it was forecast to be completed in 2020.

Achern station is the largest and most important of the four stations in the town of Achern in the German state of Baden-Württemberg. It is located at kilometre 125.3 of the Rhine Valley Railway (Rheintalbahn), which connects Mannheim and Basel and is the starting point of the Acher Valley Railway (Achertalbahn), which runs to Ottenhöfen. The station has four platforms and it is classified by Deutsche Bahn (DB) as a category 4 station. It has also been the terminus of lines S32 and S4 of the Karlsruhe Stadtbahn since December 2004.

Malsch station is together with Malsch Süd station one of two stations in the municipality of Malsch in the German state of Baden-Württemberg. The station is located at kilometer 96.5 of the Rhine Valley Railway (Rheintalbahn) and is served by two lines of the Karlsruhe Stadtbahn.

Untergrombach station is a "halt" (Haltepunkt) in the Bruchsal district of Untergrombach in the German state of Baden-Württemberg. It is located on the Rhine Valley Railway between Heidelberg and Karlsruhe and is served by lines S31 and S32 of the Karlsruhe Stadtbahn. In the peak hour several services on line S3 of the Rhine-Neckar S-Bahn stop in Untergrombach.

Bad Schönborn Süd station is the busier of two stations in the town of Bad Schönborn in the German state of Baden-Württemberg. The other is Bad Schönborn-Kronau station. It is located on the Rhine Valley Railway in the district of Bad Langenbrücken. It is classified by Deutsche Bahn (DB) as a category 4 station. It has three platforms and is located in the area of the Karlsruher Verkehrsverbund (Karlsruhe Transport Association, KVV), which manages regional rail services and sets fares. Since December 2003, it has been exclusively served by services on lines S3 and S4 of the Rhine-Neckar S-Bahn.

Bad Schönborn-Kronau station is one of two stations in the town of Bad Schönborn in the German state of Baden-Württemberg, but it is less busy than Bad Schönborn Süd station. It is located between the Bad Schönborn district of Bad Mingolsheim and the municipality of Kronau on the Rhine Valley Railway. It is classified by Deutsche Bahn (DB) as a category 6 station. The station is on the border between the fare zones of the Karlsruher Verkehrsverbund (Karlsruhe Transport Association, KVV) and the Verkehrsverbund Rhein-Neckar (Rhine-Neckar Transport Association, VRN). Since December 2003, it has been almost exclusively served by services on lines S3 and S4 of the Rhine-Neckar S-Bahn.