▁a ▁migration ▁background ▁by ▁ 2 . 6 ▁percentage ▁points ▁to ▁a ▁total ▁of ▁ 2 0 . 6 ▁percent ▁in ▁Gre ater ▁Ne uk öll n . ▁ ▁Public ▁transport ▁▁ ▁The ▁district ▁is ▁served ▁by ▁three ▁oper ational ▁sections ▁of ▁urban ▁rail . ▁ ▁U - B ahn : ▁▁ ▁U 7 : ▁R ath aus ▁Sp and au ▁ ↔ ▁Rud ow ▁( running ▁North ▁West ▁ ↔ ▁South ▁East ) ▁ ▁U 8 : ▁W itten au ▁ ↔ ▁Hermann straße ▁( running ▁North ▁ ↔ ▁South ) ▁ ▁Part ▁of ▁each ▁of ▁the ▁following ▁S - B ahn ▁routes ▁share ▁an ▁East ▁ ↔ ▁West ▁running ▁section ▁of ▁Ring bahn ▁track ▁through ▁the ▁district : ▁▁ ▁S 4 1 / S 4 2 : ▁Süd kre uz ▁→ ▁Ges und br un nen ▁→ ▁Süd kre uz ▁( clock wise ▁ ↔ ▁anti ▁clock wise ▁circular ) ▁ ▁S 4 5 : ▁Süd kre uz ▁ ↔ ▁Berlin ▁Sch ö ne feld ▁Fl ugh afen ▁( only ▁from ▁Monday ▁till ▁Friday ). ▁An ▁extension ▁of ▁the ▁S 4 5 ▁is ▁project ed ▁to ▁run ▁beyond ▁the ▁current ▁termin us ▁at ▁Sch ö ne feld ▁Airport ▁to ▁the ▁under ▁construction ▁Berlin ▁Brandenburg ▁Airport . ▁ ▁S 4 6 : ▁West end ▁ ↔ ▁König s ▁W uster hausen ▁ ▁S 4 7 : ▁Sp ind lers feld ▁ ↔ ▁Hermann straße ▁ ▁Among ▁the ▁numerous ▁rail ▁stations ▁in ▁the ▁district ▁three ▁act ▁as ▁inter changes : ▁▁ ▁Hermann platz