BLACKHORSE Road station will become step-free by 2015.

The station in Walthamstow will join 11 other overground stations in becoming step-free by 2022 as the Mayor of London Boris Johnson and Transport for London lay out plans to make the transport network in London more accessible.

A total of 16 underground stations will also be made step-free by 2022.

Hundreds of millions of pounds are being spent on the improvements which will also see 70 per cent of bus stops across the capital accessible by spring next year.

Mayor of London, Boris Johnson, said: "London now has the most accessible transport network in the country and one of the most accessible in the world.

"But it's not perfect and we must go further - that's why we're investing hundreds of millions of pounds and using the most imaginative solutions and the latest technology to take the accessibility of the transport network to the next level.

"This means more step-free stations, accessible trains, and manual boarding ramps.

"It also means making thousands more bus stops in London accessible, transforming our website and signage, and lobbying for more money from the Government to help us deliver a network where every Londoner feels that the transport network is their network - for them and easily accessible by them."