Pfaffensteig Tunnel - | Böblingen and Sindelfingen to be better integrated into planning
stuttgarter-nachrichten.de/inhalt.pfaffensteigtunnel-boeblingen-und-sindelfingen-sollen-besser-in-planung-eingebunden-werden.c099feb9-e497-4753-90c5-6bbe3f94cae4.html
Photo: stuttgarter-nachrichten.de · view article
Improved Involvement in Pfaffensteigtunnel PlansA new committee updates Böblingen, Sindelfingen, and Leinfelden-Echterdingen on construction impacts and timelines starting 2026.
Key FactsMar 2, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: stuttgarter-nachrichten.de
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
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Pfaffensteig Tunnel - | Böblingen and Sindelfingen to be better integrated into the planning
krzbb.de/inhalt.pfaffensteigtunnel-boeblingen-und-sindelfingen-sollen-besser-in-planung-eingebunden-werden.c099feb9-e497-4753-90c5-6bbe3f94cae4.html
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Key FactsDelays and Disputes Surround Pfaffensteigtunnel Project
Mar 9, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: stuttgarter-nachrichten.de
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
Pfaffensteig Tunnel: Railway invites cities to the advisory committee: Böblingen and Sindelfingen fear massive disruptions to traffic, the environment ...
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Key FactsConstruction Begins on Key Stuttgart 21 Tunnel Link
Feb 9, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: stuttgarter-nachrichten.de
Summary created with AI assistance · Source: stuttgarter-nachrichten.de
- Preparatory work for the Pfaffensteigtunnel between Stuttgart Airport and Böblingen has commenced without a ceremony.
- This tunnel will link the Gäubahn line to the new Stuttgart main station, with an estimated cost of €1.7 billion.
- Initial earthworks are underway north of the airport and highway A8, while approval for the second section is pending.
- Despite ongoing criticism and lawsuits, the project was planned rapidly and aims for completion by 2032.
The Filder Protection Community announced a lawsuit against the project due to what they perceive as a flawed economic assessment.— The Filder Protection Community announced their legal challenge, claiming the economic assessment is incorrect.
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Böblingen District - | Construction of the Pfaffensteig Tunnel begins - | How routes are affected by closures
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Key FactsPfaffensteigtunnel Construction Begins with Local Impact
Jan 29, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: krzbb.de
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.
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Key FactsConstruction Begins on Stuttgart’s Pfaffensteigtunnel
Jan 9, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: stuttgarter-nachrichten.de
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.
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