The , also known as "Laview", is an electric multiple unit (EMU) train type operated by the private railway operator Seibu Railway on limited express services in the Tokyo area of Japan. They will replace the 10000 series EMUs currently in service on the Seibu Ikebukuro Line and Chichibu Line.
Design The trains are designed by Kazuyo Sejima, and feature large windows and a rounded front end with an oval windscreen.
Based on the concept of "a new train that no one has ever seen before," it was designed based on the following design concepts.
A limited express that blends softly into the landscape in the city and nature A limited express like a living room where everyone can relax A limited express that creates new value and becomes a destination, not just a means of transportation
Formation The trains consist of eight cars per set. Car No. 1 2 3 4 5 6 7 8 Designation KuHa (Tc1) MoHa (M1) MoHa (M2) SaHa (T1) SaHa (T3) MoHa (M5) MoHa (M6) KuHa (Tc2) Numbering 001-A1∥ 001-A2∥ 001-A3∥ 001-A4∥ 001-A5∥ 001-A6∥ 001-A7∥ 001-A8∥
Interior Seating accommodation consists of 2+2 seating, with power outlets at all seats. The interior also features wheelchair spaces and a ladies’ powder room. Free WiFi is provided in all cars.
History Seven sets were ordered as a replacement for the New Red Arrow EMUs. The first set was presented to reporters at Kotesashi depot on 14 February 2019. The 001 series entered revenue service on 16 March 2019.
In 2020, the train type received the Blue Ribbon Award.
Vies On 21 October 2025, Seibu announced its plans to procure a restaurant train based on the 001 series. The new train will be composed of four cars. It is planned to enter service in March 2028 on various Seibu lines including the Ikebukuro Line, Shinjuku Line, and Chichibu Line and to serve as a successor for the Fifty-two Seats of Happiness trainset.
In March 2026, Seibu announced that the restaurant train would be branded Fine Dining Train "vies".
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