Arup Debuts Pilen Observation Deck to Showcase Fehmarnbelt Tunnel Construction

By Lizzie Crook · Dezeen · 2026-10-25

Engineering firm Arup has completed a demountable viewpoint in Denmark designed to help the public observe the assembly of the world's longest road-and-rail tunnel. According to Dezeen, the 217-meter structure, named Pilen, uses a zigzagging ramp to orient visitors toward the und

Engineering firm Arup has completed a demountable viewpoint in Denmark designed to help the public observe the assembly of the world's longest road-and-rail tunnel. According to Dezeen, the 217-meter structure, named Pilen, uses a zigzagging ramp to orient visitors toward the und