The world’s longest bridge tunnel connects the Japanese islands of Honshu and Hokkaido under water.
| May 5, 2021 | education
The world’s longest bridge tunnel connects the Japanese islands of Honshu and Hokkaido under water. Its length is 54 km. In 2007, the longest overland tunnel in the mountains of Switzerland was commissioned. Its length is 19 400 meters less. How much longer is the Chinese bridge?
First of all, you need to convert km to meters.
54 km = 54,000 meters
We need to subtract the length of the tunnel in Switzerland from the length of the tunnel connecting the islands in Japan.
54,000 – 19,400 = 34,600 (m)
The Japanese tunnel is 34,600 meters longer than the Swiss one.
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