At the end of the 19th century the terminus of the railway or passenger trains for Berlin regional services was relocated to the Stettiner Bahnhof (Stettin—now Szczecin—station), built on Invalidenstraße; the freight remained at Eberswalder Straße.

Electrical operations continued until the building of the Berlin Wall on 13 August 1961, when the line between Frohnau and Hohen Neuendorf was closed.

Subsequently, S-Bahn tracks were built and electrified along the Berlin outer ring between Hohen Neuendorf and Blankenburg.

After the reunification, many of the smaller stops were however closed (Düsterförde (1996), Strelitz Alt (1995), Neddemin, Randow, Toitz-Rustow.

In 1992, the gap between Frohnau and Hohen Neuendorf was reopened so that continuous S-Bahn services could resume on the Northern Railway to Oranienburg.