sentences:  Four of these five S-Bahn lines are bundled on the so-called S-Bahn trunk line through the centre of Munich, giving the S-Bahn a very high frequency of trains between Munich East and Pasing.During peak hour lines S 3 and S 8 operate every 10 minutes and lines S 4 and S 6 operate every 20 minutes, producing 18 services an hour to the city centre, and there are also some regional services that can also be used with the tickets of the Münchner Verkehrs- und Tarifverbund (Munich Transport and Tariff Association) to the Hauptbahnhof.Pasing is also the terminus of services on S-Bahn line S 20, which runs non-stop through Laim on the so-called "Sendlinger Spange" (Sendling link) to connect to the south on the route of line S 7 and from Solln over the Großhesselohe Bridge over the Isar to Deisenhofen.