What is the latest status of the project “Oslo Subway Digital Signaling System Upgrade”?

The status recorded for “Oslo Subway Digital Signaling System Upgrade” is completed.

Who are the main government, EPC, and private stakeholders for “Oslo Subway Digital Signaling System Upgrade”?

Taiyo maps the stakeholders of “Oslo Subway Digital Signaling System Upgrade”: EPCs/contractors (Siemens Mobility).

Where can I verify the source and access all details for “Oslo Subway Digital Signaling System Upgrade”?

This Taiyo project page references Light Reading along with the original URL (https://www.lightreading.com/5g/eurobites-telia-claims-breakthrough-with-oslo-subway-project). Taiyo standardizes official data into a consistent, searchable project profile.

Oslo Subway Digital Signaling System Upgrade

Sector: Tunnel • Location: Oslo, Norway

Source: Light Reading

Project

Completed

Telia has introduced a new digital signaling system on the Oslo subway that uses the operator's commercial mobile network. The system, supplied by Siemens Mobility, is based on communications-based train control (CBTC) technology, which connects trains, track equipment, and control centers to track train positions more accurately and allow trains to run closer together.

Status: Closed
Sector: Tunnel, Rail, Mass Transit, Commercial
Location: Oslo, Norway
Updated: 22 Jul 2026
Source: Light Reading

ConstructChat

Ask ConstructChat about Oslo Subway Digital Signaling System Upgrade

Pick a question to edit it, or write your own.

First answer free · no account

I am a

Project Information

4 Q

The project “Oslo Subway Digital Signaling System Upgrade” is an infrastructure initiative in the Tunnel sector, located in Oslo, Norway. Taiyo aggregates data on it from Light Reading.

Participants

Company

Status

Original status	completed
Taiyo status	Closed
Taiyo last update	2026-07-22

Contact

Not available for this record.

Description

Description	Telia has introduced a new digital signaling system on the Oslo subway that uses the operator's commercial mobile network. The system, supplied by Siemens Mobility, is based on communications-based train control (CBTC) technology, which connects trains, track equipment, and control centers to track train positions more accurately and allow trains to run closer together.
Original sector	Transportation

Location

Country	Norway
City	Oslo

Source

Source	Light Reading
URL

More Details

Record type	Project
Sector	Tunnel, Rail, Mass Transit, Commercial
Article published date	2025-12-06

Research

Free account

View all details

You are reading the public part. A free account opens the rest:

Every detail on this project
News and media coverage
Technical research

View all details

Free account · no card · lands you back on this project

Oslo Subway Digital Signaling System Upgrade

Ask ConstructChat about Oslo Subway Digital Signaling System Upgrade

Project Information FAQ

Project Information

Research

View all details

More Tunnel projects in Norway