Not content with 200mph bullet trains, Japan is set to get an 'invisible' train.

The carriages will be coated in a semi-reflective surface, making it appear to almost disappear.

Japanese architect Kazuyo Sejima was commissioned by the Seibu Group to design a new version of the firm's Red Arrow commuter train for the company's 100th anniversary.

Kazuyo Sejima was commissioned by the Seibu Group to design a new version of the firm's Red Arrow commuter train for the company's 100th anniversary, and it will be rolled out on a limited number of express-route trains in 2018.

According to Dezeen, the brief also includes the design of the train's interior.

Sejima was asked to create an atmosphere that allows for relaxation and comfort. described as a 'living room'.

Her design will be rolled out on a limited number of express-route trains, and is expected to go into service in 2018.

Seibu Group said that the train would be the first designed by Sejima, and that the design aimed to be 'soft' and 'blend into the landscape'.

Seibu Group owns Seibu Railways, which operates around 180 kilometres of railway networks around Tokyo and Saitama Prefecture.

The new design will replace some of the firm's Red Arrow commuter trains which operate around Tokyo and Saitama Prefecture

Its trains are known for their bright yellow exteriors, although more recent versions have used blue and grey.

The Seibu 10000 series has been in use since 1993.

 Last year it was revealed India is set to get another on Japan's train, the 200mph bullet.

Indian Prime Minister Narendra Modi yesterday confirmed the purchase of the high speed ‘Shinkansen’ trains from Japan.

A new 325-mile railway will link Mumbai on the country’s west coast to Ahmedabad to its north. It is expected to cut journey times from the eight hours to around two.

Last year it was revealed India is set to get another of Japan's train, the 200mph bullet.

Railways are a lifeline for India's 1.25 billion people and the main form of long-distance travel. About 23 million people, equivalent to the population of Australia, travel by train every day.

But the railways are creaking from decades of neglect and chronic underinvestment. The government is seeking foreign assistance and has signed a deal with Japan to build India's first bullet train.