Semmering Base Tunnel Archives - International Railway Journal

Semmering Base Tunnel

May 21, 2026 | Infrastructure

First passage through Austria’s Semmering Base Tunnel

An official delegation has travelled the length of the 27.3km tunnel for the first time.

May 14, 2025 | Infrastructure

Austria confirms €19.7bn infrastructure spend

Government funding reduced but vital projects will continue at full speed, ÖBB says.

March 28, 2025 | Infrastructure

Semmering Base Tunnel slab track contract awarded

ÖBB Infrastructure awards contract to Rhomberg Sersa/Porr joint venture which is also responsible for tunnel-fit out.

December 4, 2024 | Infrastructure

Semmering tunnel boring complete

Tunnel boring machines (TBMs) have finished work on Austria’s 27.3km new underground line.

September 13, 2024 | Infrastructure

First bore of Semmering Base Tunnel complete

The first of two 27.3km bores was completed on September 11.

June 19, 2024 | Infrastructure

ÖBB Infrastructure awards €176m Semmering Base Tunnel fit-out contract

A consortium of Porr and Rhomberg Sersa Rail Group will install technical equipment in the 27km tunnel.

November 8, 2023 | Infrastructure

Austria provides €21.1bn for rail infrastructure investment in 2024-29

Government agrees framework plan with Austrian Federal Railways (ÖBB).

June 13, 2022 | Infrastructure

First breakthrough achieved in Semmering Base Tunnel

The breakthrough took place between the Göstritz and Fröschnitzgraben sections.

April 26, 2022 | Infrastructure

Further delay to Semmering Base Tunnel

Complex geology postpones opening until 2030.

January 9, 2022 | Infrastructure

Semmering Base Tunnel excavation reaches key milestone

The first TBM has concluded excavation with tunnelling now 80% complete.

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