The Palatine Northern Railway is a non-electrified single-track main line that connects Neustadt (Weinstr) Hbf with Monsheim in the German state of Rhineland-Palatinate. It was opened between 1865 and 1873 in three stages. With the replacement of the old Ludwigshafen terminus with the modern Ludwigshafen Hauptbahnhof through station in 1969, Bad Dürkheim station became the only station in the form of a terminus in the Palatinate region. Passenger services over the Grünstadt–Monsheim section were discontinued in 1984, but re-established in 1995.

Neustadt (Weinstr) Hauptbahnhof – called Neustadt a/d. Haardt until 1935 and from 1945 until 1950 – is the central station of in the city of Neustadt in the German state of Rhineland-Palatinate. In addition to the Hauptbahnhof, Rhine-Neckar S-Bahn services stop at Neustadt (Weinstr) Böbig halt (Haltepunkt). Mußbach station and Neustadt (Weinstr) halt, opened on 19 November 2013, are also located in Neustadt.