Deutsche Bahn builds new S-Bahn line S4 to Bad Oldesloe
- Location
- Hamburg (Hasselbrook, Wandsbek) and Schleswig-Holstein (Ahrensburg, Bad Oldesloe), Germany · 🇩🇪 Germany
- Project
- New S-Bahn line S4 Hamburg – Bad Oldesloe
- Investment
- approx. EUR 1.439 billion (agreed financing framework; up to EUR 1.846 billion nominalized incl. risk buffer)
- Status
- Under construction (section 1 since May 2021; planning approval for sections 2 and 3 still in progress as of latest update)
DB InfraGO is upgrading the existing route from Hamburg-Hasselbrook to Ahrensburg-Gartenholz (about 17 km of new second track; total S4 line Altona–Bad Oldesloe spans 35.9 km) to create the new S4 S-Bahn line, adding five new stations. Construction section 1 (Hasselbrook–Lütkensallee) has been under construction since 2021; partial commissioning to Rahlstedt is planned for the December 2027 timetable change, with full commissioning to Bad Oldesloe planned for December 2029.
Source: s-bahn-4.de ↗ · Archived copy ↗
Evidence: one source · archived copy saved · second source missing (two-source rule) · How well sourced is Eurotrack?
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