Sakhalin–Hokkaido Tunnel
The Sakhalin–Hokkaido Tunnel is a proposed connection to link the Russian island of Sakhalin with the Japanese island of Hokkaido. Cost estimates by Russia in the year 2000 put the project to span the strait at $50 billion.
, Hokkaido, Sakhalin
Overview
Gauges
The railways on the Russian mainland use the Russian gauge, while the Sakhalin Railway was by 2019 converted from the original Japanese gauge to the Russian gauge. Japanese railways use and standard gauge. It is unclear what rail gauge would be used for the proposed tunnel and associated infrastructure. Here are the current proposed figures:
- Breaks of gauge: in Wakkanai area, Hokkaido, /.
- Sakhalin–Hokkaido Tunnel
- *Track gauge:
- *Loading gauge: 4.1 m wide and 6.15 m tall
- *Electrification: 25 kV 50 Hz AC overhead lines
- Hokkaido network:
- *Track gauge:
- *Loading gauge: Japanese Shinkansen
