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  • International Database for Civil and Structural Engineering

Iiyama Tunnel

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General Information

Beginning of works: 1998
Completion: 2015
Status: in use

Project Type

Structure: Tunnel
Function / usage: High-speed rail tunnel


Location: Iiyama, Nagano, Japan
Coordinates: 36° 47' 31.80" N    138° 21' 45.60" E
Coordinates: 37° 2' 8.07" N    138° 17' 45.07" E

Technical Information


tunnel length 22 225 m


Currently there is no information available about persons or companies having participated in this project.

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