Skip to main content

Norway’s landmark tunnel project

The Danish consultant Cowi is working on a study for Norway’s Rogfast Tunnel, which will be the world's longest and deepest tunnel. The 25km tunnel is planned to open to traffic in 2021. It will cost some €1.08 billion to construct. Cowi has landed contracts for preliminary studies but is also keen to take on a portion of detailed planning.
June 26, 2012 Read time: 1 min
The Danish consultant 2349 COWI is working on a study for Norway’s Rogfast Tunnel, which will be the world's longest and deepest tunnel. The 25km tunnel is planned to open to traffic in 2021. It will cost some €1.08 billion to construct. Cowi has landed contracts for preliminary studies but is also keen to take on a portion of detailed planning.

For more information on companies in this article

Related Content

  • Ambitious road tunnelling projects around the world
    November 29, 2013
    The construction of the world’s longest subsea road tunnel in Norway and a vital new link under the Bosphorus Strait in Turkey are among a host of exciting, major road tunnel-based projects currently being undertaken across the globe. Guy Woodford reports Sandvik DTi series tunnelling jumbos are being used for the excavation of Solbakktunnel, set to become the world’s longest subsea road tunnel.
  • Norway considers wooden bridge across Lake Mjosa
    May 12, 2017
    Norway could be home to the world’s longest wooden bridge if the government gives the go-ahead for a span across Lake Mjosa. In a new report, researchers conclude that it is possible, both technically and economically, to build a 1.7km wooden bridge between the towns Biri and Moelv. Importantly, the report notes that construction cost differences between a wooden and concrete structure would be little. Estimates for a wooden bridge are around €420 million while for a concrete structure would come in about €
  • Kapsch tolling for Norway’s Ryfast Tunnel
    March 19, 2021
    Kapsch’s multi-lane free-flow G3 tolling system began operating in the tunnel since February 1.
  • Shortlist set for Norway’s Sotra PPP project
    May 21, 2020
    Sotra Link, Itias and Vis Sotra are vying for the $1.15 billion deal.