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Gäu Railway: Pfaffensteig Tunnel interrupts rail traffic in the south for months: The tunnel is intended to connect the Gäu Railway to the new Stuttgart Central ...
suedkurier.de/baden-wuerttemberg/gaeubahn-pfaffensteigtunnel-unterbricht-schienenverkehr-im-sueden-monatelang-115485304
Gäu Railway: Pfaffensteig Tunnel interrupts rail traffic in the south for ...
Key FactsDelays and Disputes Surround Pfaffensteigtunnel Project
Mar 9, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: stuttgarter-nachrichten.de
  • Initial construction on the Pfaffensteigtunnel was halted due to prolonged winter conditions and bad weather.

  • The start date for major construction is still being coordinated between Deutsche Bahn and the Federal Ministry of Transport.

  • Local residents and politicians demand a four-track upgrade of the Gäubahn line to prevent bottlenecks near Böblingen.

  • A lead engineer responsible for the airport section of the project has resigned from the Stuttgart-Ulm project company.
  • Here would be delays produced, and planned improvements to the service for passengers could not be implemented. There must be an urgent course correction now!
    — Matthias Gastel, Green Party member of the Bundestag from Filderstadt and rail expert for his party
Key FactsImproved Involvement in Pfaffensteigtunnel Plans
Mar 2, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: stuttgarter-nachrichten.de
  • Construction preparations for the Pfaffensteigtunnel, one of Germany’s longest railway tunnels, have recently commenced.

  • The tunnel will link Stuttgart Airport with the Gäubahn line near Böblingen and terminate at Sindelfingen’s Schützenhaus.

  • The three affected cities requested greater inclusion in planning through letters to Deutsche Bahn.

  • Deutsche Bahn established a supervisory committee to keep local municipalities informed about the project status and upcoming works.
  • Our letters are having an impact
    — Stefan Belz (Greens), mayor of Böblingen, at the Böblingen city council meeting
Pfaffensteig Tunnel: Railway invites cities to the advisory committee: Böblingen and Sindelfingen fear massive disruptions to traffic, the environment ...
szbz.de/nachrichten/artikel/pfaffensteigtunnel-bahn-laedt-staedte-zum-begleitgremium-ein
Pfaffensteig Tunnel: Railway invites cities to the advisory committee
Gäu Railway: Parties reveal their positions on the Pfaffensteig Tunnel, the Panorama Railway, and the expansion
suedkurier.de/baden-wuerttemberg/gaeubahn-parteien-legen-positionen-zu-pfaffensteigtunnel-panoramabahn-und-ausbau-offen-18-02-26-113504665
Gäu Railway: Parties reveal their positions on the Pfaffensteig Tunnel ...
Quiet start to the new tunnel: Without celebration, Deutsche Bahn has begun preliminary work on the future Pfaffensteig Tunnel between the airport in ...
szbz.de/ueberregional/artikel/geraeuschloser-start-zum-neuen-tunnel
Quiet start to the new tunnel
Key FactsLawsuit Targets Pfaffensteig Tunnel Over Cost Issues
Feb 6, 2026 · Reading time: ~30 sec.
Summary created with AI assistance · Source: stuttgarter-nachrichten.de
  • The Filder protection group accuses the railway of budgetary misconduct due to the tunnel's low cost-benefit ratio of 0.27.

  • The approximately eleven-kilometer tunnel aims to link the Gäubahn with the new airport and trade fair station, while Stuttgart 21's through station opening remains uncertain.

  • The lawsuit will be filed at the Federal Administrative Court, the sole authority for railway projects under the planning acceleration law.

  • The railway company expects no delays from the lawsuit and intends to start preparatory work in February.
The Pfaffensteig Tunnel shows: Fast construction is possible in our country.: Construction work on the Pfaffensteig Tunnel is scheduled to begin this year ...
schwaebische.de/regional/baden-wuerttemberg/deutschland-schnell-bauen-ist-moeglich-kommentar-pfaffensteigtunnel-zug-verkehr-stuttgart-4334573
The Pfaffensteig Tunnel shows: Fast construction is possible in our ...
Key FactsPfaffensteigtunnel Demonstrates Feasibility of Fast Construction
Feb 7, 2026 · Reading time: ~30 sec.
Summary created with AI assistance · Source: schwaebische.de
  • Planning and permits are complete, and funding is secured, enabling rapid progress on the Pfaffensteigtunnel construction.

  • The tunnel reduces the period without direct train connections to Stuttgart for travelers from Zurich, Singen, and Tuttlingen.

  • Lengthy delays in infrastructure projects cause frustration among citizens and local officials alike.

  • The federal government aims to streamline approval processes through a new infrastructure law to accelerate essential projects.
Key FactsPfaffensteigtunnel Construction Begins with Local Impact
Jan 29, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: krzbb.de
  • The Pfaffensteigtunnel aims to connect the Gäubahn line near Böblingen to the airport and Stuttgart 21, reducing travel time to seven minutes.

  • Construction will start in February on the airport side, with the project expected to finish by late 2032.

  • Nighttime partial closures and weekend full closures between Stuttgart-Rohr and Böblingen are planned in early 2026 due to the Digital Stuttgart Knot project.

  • Significant upgrades between Böblingen station and the new tunnel junction are planned, potentially causing months-long closures and major disruptions in the district.
  • The planned 450 days of complete closure for Böblingen are unacceptable.
    — Stefan Belz, Mayor of Böblingen, in a municipal council meeting in autumn.
S21 receives a multi-billion euro addition: Now the Pfaffensteig Tunnel can be built.
swr.de/swraktuell/baden-wuerttemberg/stuttgart/pfaffensteigtunnel-s21-genehmigt-100.html
S21 receives a multi-billion euro addition: Now the Pfaffensteig Tunnel ...
Key FactsConstruction Begins on Stuttgart’s Pfaffensteigtunnel
Jan 9, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: stuttgarter-nachrichten.de
  • The Federal Railway Authority approved the construction of the Pfaffensteigtunnel connecting Stuttgart Airport and the Gäubahn line.

  • Tunnel boring machines will start excavation from a site near the A8 highway heading toward Böblingen in February.

  • This tunnel aims to separate different rail traffic flows, replacing earlier plans to add a third track at the airport’s S-Bahn station.

  • Completion is targeted for late 2032, though some opponents question the feasibility of this schedule.
  • The Federal Railway Authority has now issued the planning approval for the project.
    — A spokesperson for the responsible authority confirms the approval of the Pfaffensteigtunnel.
Böblingen District: District Administrator Bernhard welcomes approval for construction of the Pfaffensteig Tunnel
szbz.de/nachrichten/artikel/kreis-boeblingen-landrat-bernhard-begruesst-genehmigung-fuer-bau-des-pfaffensteigtunnels
Böblingen District: District Administrator Bernhard welcomes approval for ...
Sindelfingen's demands regarding the Gäubahn project: The Pfaffensteig Tunnel expansion project is expected to bring years of strain on the city ...
szbz.de/nachrichten/artikel/sindelfingens-forderungen-beim-gaeubahn-projekt
Sindelfingen's demands regarding the Gäubahn project
Connection of the Gäubahn to the S21 - | Inclusion in the federal budget: The Pfaffensteig Tunnel is coming
stuttgarter-nachrichten.de/inhalt.anbindung-der-gaeubahn-an-s21-aufnahme-im-bundeshaushalt-der-pfaffensteigtunnel-kommt.4ced3efa-7182-4346-9ae1-1a67d5864b91.html
Connection of the Gäubahn to the S21 - | Inclusion in the federal budget: ...
Pfaffensteig Tunnel and Stuttgart 21 – New doubts about the billion-euro tunnel: The Pfaffensteig Tunnel, which will connect the Gäubahn railway line to ...
stuttgarter-nachrichten.de/inhalt.pfaffensteigtunnel-und-stuttgart-21-neue-zweifel-am-milliarden-tunnel.912e0733-cf69-4816-8f8e-bb93abf3389f.html
Pfaffensteig Tunnel and Stuttgart 21 – New doubts about the billion-euro ...
Pfaffensteig Tunnel: "We need a watertight commitment from the Bundestag": Böblingen District Administrator Bernhard appeals to members of parliament to secure ...
szbz.de/nachrichten/artikel/pfaffensteigtunnel-wir-brauchen-eine-wasserdichte-zusage-im-bundestag
Pfaffensteig Tunnel:
Gäubahn - | Pfaffensteig tunnel now included in the federal budget: The Gäubahn is to run through the Pfaffensteig tunnel to the airport in the future ...
krzbb.de/inhalt.gaeubahn-pfaffensteigtunnel-im-bundeshaushalt-jetzt-vorgesehen.4abfe047-fd89-4b3a-a8b8-fe11b6fe7bac.html
Gäubahn - | Pfaffensteig tunnel now included in the federal budget