"The bicycle highway: Plans unveiled for £220m 'Skycycle' that lets riders commute far above the railways of London"

Link to Daily Mail

"Plans for a network of cycle pathways high above the streets of London have been unveiled by one of the world's most prominent architects.

"SkyCycle is a 135-mile network of roads that would be constructed above existing suburban rail lines to create new cycle routes throughout the capital and has been developed by cycling enthusiast Sir Norman Foster, who designed St Mary Axe, known as 'The Gherkin', and the new Wembley Stadium.

"The three-storey high routes would be accessed via ramps at more than 200 points.

"The first phase is a four mile stretch from east London to Liverpool Street Station would cost an estimated £220m.