British architect Norman Foster has unveiled a concept to build a network of elevated pathways above London's railways to create safe car-free cycling routes in the wake the most deadly year for cyclists in the city's history.

Entitled SkyCycle, the proposal by architects Foster + Partners, landscape architects Exterior Architecture and transport consultant Space Syntax is for a "cycling utopia" of approximately 220 kilometers of dedicated cycle lanes, following the routes of existing train lines.

(READ the full story from DeZeen magazine)