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Semmering Base Tunnel

Sector: Mass Transit • Location: Austria

Source: Nomad Lawyer

Project
Under Construction

The Semmering Base Tunnel is a 27.3-kilometer twin-bore railway tunnel connecting Gloggnitz in Lower Austria with Mürzzuschlag in Styria, Austria. It aims to reduce travel time between Vienna and Graz from 2 hours 36 minutes to approximately 1 hour 50 minutes by enabling high-speed rail travel at 230 km/h. The project involves tunnel boring, technical equipment installation, concrete inner lining,

Status
Under Construction
Sector
Mass Transit, Rail, Tunnel, Cement
Location
Austria
Updated
22 Jul 2026
Source
Nomad Lawyer

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Project Information

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The project “Semmering Base Tunnel” is an infrastructure initiative in the Mass Transit sector, located in Austria. Taiyo aggregates data on it from Nomad Lawyer.

Participants

Not available for this record.

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Semmering Base Tunnel is a 27.3-kilometer twin-bore railway tunnel connecting Gloggnitz in Lower Austria with Mürzzuschlag in Styria, Austria. It aims to reduce travel time between Vienna and Graz from 2 hours 36 minutes to approximately 1 hour 50 minutes by enabling high-speed rail travel at 230 km/h. The project involves tunnel boring, technical equipment installation, concrete inner lining, emergency shafts, ventilation systems, signaling, and electrical networks. The tunnel is scheduled to open for passenger service at the end of 2029.

Original sector

Transportation

Location

Country

Austria

Source

Source

Nomad Lawyer

URL

More Details

Record type

Project

Sector

Mass Transit, Rail, Tunnel, Cement

Article published date

2026-05-25

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