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Rogfast Tunnel

Sector: Tunnel • Location: Stavanger and Haugesund, Rogaland, Norway

Source: Interesting Engineering

Project
Under Construction

A 17-mile twin-tube undersea road tunnel in Norway that will become the world's longest and deepest undersea road tunnel once completed. It connects Stavanger and Haugesund, providing a direct, ferry-free route and cutting travel time by up to 40 minutes. The tunnel reaches a depth of 1,280 feet below sea level and features two parallel tubes with two lanes each, cross passages, a central emergenc

Status
Under Construction
Sector
Tunnel, Road, Government
Location
Stavanger and Haugesund, Rogaland, Norway
Updated
22 Jul 2026
Source
Interesting Engineering

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Project Information

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The project “Rogfast Tunnel” is an infrastructure initiative in the Tunnel sector, located in Stavanger and Haugesund, Rogaland, Norway. Taiyo aggregates data on it from Interesting Engineering.

Participants

Sponsoring Agency

Company

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

A 17-mile twin-tube undersea road tunnel in Norway that will become the world's longest and deepest undersea road tunnel once completed. It connects Stavanger and Haugesund, providing a direct, ferry-free route and cutting travel time by up to 40 minutes. The tunnel reaches a depth of 1,280 feet below sea level and features two parallel tubes with two lanes each, cross passages, a central emergency corridor, and an underground double roundabout providing access to the island of Kvitsøy.

Original sector

Transportation

Budget

Location

Country

Norway

State

Rogaland

City

Stavanger and Haugesund

Source

Source

Interesting Engineering

URL

More Details

Record type

Project

Sector

Tunnel, Road, Government

Article published date

2025-12-06

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