Hokkaido Railway Company (JR Hokkaido) has submitted an application to Japan’s Ministry of Land, Infrastructure and Transport seeking to raise the maximum line speed on the Shin-Hakodate-Hokuto – Sapporo extension of the Hokkaido Shinkansen from 260km/h to 320km/h.
The extension, which will run in tunnels for 76% of its 211.3km length, is due to open in the 2030 financial year.
The additional works to raise line speeds will add an estimated Yen 12bn ($US 110m) to the cost of the project and primarily involve redesigning tunnel portals and raising noise barriers.
The measures are expected to reduce Shin-Hakodate-Hokuto – Sapporo journey times by around five minutes compared with 260km/h operation.
The initial 148.8km phase of the Hokkaido Shinkansen from Shin-Aomori to Shin-Hakodate-Hokuto opened in March 2016.
East Japan Railway Company (JR East) hopes to introduce a new generation of high-speed trains based on its 360km/h Alfa-X prototype on the Tohoku and Hokkaido Shinkansen from around 2030.
Source: railjournal.com
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