Orderer Japan Railway Construction, Transport and Technology Agency
Completion 2012
Structure and scale Railway tunnel, NATM method, excavation cross-section: 62m²; tunnel length: 2,695m
Location Hokkaido
Application Railway tunnel

This tunnel is located in Yanagisawa Hokuto City, Hokkaido between Shin-Aomori and Shin-Hakodate-Hokuto (extended construction of 149km) on the Hokkaido Shinkansen Line. Construction was conducted in consideration of the environment because it is a habitat for the Northern goshawk, sparrow hawk, and black woodpecker on the bird Red List of the Ministry of the Environment.