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111 new news items in the last 24 hours
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  2. International

The Rogfast project in Norway will create the longest underwater road tunnel, connecting the cities of Stavanger and Haugesund, with an estimated completion in 2033.

Raluca Ioana Draghici
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3 December 2025, 07:37
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International
www.facebook.com/ Rogfast, Statens vegvesen
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Norway is developing Rogfast, the longest and deepest underwater road tunnel in the world, with a length of 27 kilometers and a maximum depth of 392 meters below sea level. The project, which began in January 2018, was temporarily suspended due to cost overruns, but work resumed in 2021, with completion estimated for 2033. The total cost of the project is approximately 2.4 billion dollars. The tunnel will improve connectivity on the west coast of Norway, reducing travel time between Bergen and Stavanger by 40 minutes and replacing existing ferries.

Rogfast will include a double roundabout at a depth of 260 meters and will have two separate tubes, each with two traffic lanes. The project is part of the modernization of the E39 highway, which connects Trondheim to Kristiansand. The technological challenges are significant, and construction involves simultaneous excavation from both ends, with a margin of error of only 5 centimeters. The use of a rotating laser scanner allows for the creation of a "digital twin" of the tunnel, ensuring accuracy and reducing financial risks.

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Libertatea
Cum se construiește cel mai lung și mai adânc tunel rutier din lume: Rogfast va coborî până la 392 de metri sub nivelul mării
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Mediafax
Cel mai lung și mai adânc tunel rutier subacvatic din lume: 392 de metri sub nivelul mării
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Newsweek
VIDEO Unde se face cel mai lung și mai adânc tunel subacvatic din lume? 27 km, 392 de metri sub nivelul mării * Newsweek România
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Antena3
Cel mai lung și mai adânc tunel subacvatic din lume prinde contur: Mașinile vor merge 27 km pe sub mare
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Timpul Moldova
Tunelul record al Europei prinde contur: 27 km pe sub mare, proiect de inginerie fără precedent

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