S25 is a line on the Berlin S-Bahn. It operates from Teltow Stadt to Hennigsdorf via: the Berlin-Lichterfelde Süd–Teltow Stadt railway, opened from Teltow Stadt to Lichterfelde Süd in February 2005, From Wikipedia
Ongoing repairs in the Oranienburger Straße area have closed the route to Nordbahnhof, with no clear timeline for resolution.
