Tag Archives: tunnels

VR project targets greater perceived safety in tunnels

Posted on June 22, 2026 by nradmin
The Swedish National Road and Transport Research Institute (VTI) is studying how pedestrian and cycle tunnels should be designed for optimal perceived safety. With the aid of the institute’s VR equipment, participants in the study were asked to evaluate and describe their perceptions of virtual...

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The Sunshine Tunnel – Routing Sunlight into Tunnels with the Help of Photovoltaic Panels

Posted on May 7, 2014 by nradmin
Most tunnels rely on a complex web of power cables feeding electricity from distant energy sources to power light fixtures mounted in the ceiling. At the same time the tunnels are surrounded by daylight. A new pilot project at the Norwegian Public Roads Administration (NPRA) aims to challenge this...

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