Short-term disruption to the Piccadilly line is expected in late August, when track and platforms are upgraded. It is part of a £2.9billion investment in the line through Hammersmith & Fulham, with 94 new trains being introduced in six months’ time.
From Saturday 17 August to Sunday 1 September, the line will be closed between Wood Green and Cockfosters at the northern tip, and between Rayners Lane and Uxbridge on the north-west spur to create track crossings and sidings.
The knock-on effect will be reduced services elsewhere. Transport for London is urging passengers to consider alternative tubes and buses, with full details of the part-closures here.
The new air-conditioned trains, built in Yorkshire and able to transport 10% more passengers, will have walk-through carriages, wider all-double doors and better digital displays.
Stuart Harvey of TfL said: “Introducing a new fleet of trains is a huge engineering and logistical feat, with closures, where possible, kept to school holidays, when demand is reduced.”