[1] The 2000 series trains were introduced from 1997 to replace the ageing 700 series and 800 series trains dating from 1982 and to provide increased capacity with the opening of Terminal 2 at Haneda Airport.

[1] The fleet consists of four six-car sets (numbered 2011 to 2041) as shown below, with four motored ("M") cars and two non-powered trailer ("T") cars.

Passenger accommodation consists of a mixture of facing four-seat bays and longitudinal bench seats.

[3] Originally delivered in a livery of black with cobalt blue, red and white, the 2000 series trains were repainted into a new livery of white with lime green, light blue and navy blue from 2015 to 2018.

[4] The 2000 series trains received the Japanese Good Design Award in 1997.