How much did Seikan Tunnel cost to build?
The Seikan Tunnel is the 53.85 km railway tunnel under the Tsugaru Strait between Honshu and Hokkaido, whose construction took about 24 years. JR Hokkaido's page of Seikan Tunnel figures gives its total construction cost as about 690 billion yen.
Final project cost
¥690 billion
Approximately $5.38 billion
Cost basis: 1988
Risto KaijaluotoCC BY 3.0
Cost evidence
Basis of the published figure
Final project cost1988
Project metrics
Key dimensions
- Total lengthJR Hokkaido (数字で見る青函トンネル)
- 53.85 km