[2] In 1993, three test 6000 series vehicles would be renumbered and incorporated into a fourth seven-car set.

[3] Between 2006 and 2008, the sets received accessibility upgrades, such as wheelchair spaces.

[4] A refurbishment programme for the 7000 series fleet was announced in January 2024.

The refurbishment includes a redesigned interior based on that of the 13000 series, audible door warnings, internal LCD information displays, LED lighting, and updated control equipment, as well as full-colour LED destination displays.

[5] Passenger accommodation consists of longitudinal bench seating throughout.