Opinion: the elevated highways that cut through major cities around the world were once heralded as harbingers of modernity, but are now seen as pollution-generating, space-guzzling monsters. Will Wiles wonders if they're really all that bad. More
Foster + Partners has been appointed to design an £8 billion transport system for Jeddah, Saudi Arabia, that will encompass a network of new metro, ferry, bus, and cycle terminals. More
Zurich architects Dürig designed angular concrete frames to indicate the position of staircases and escalators at the Swiss city's main railway station, which descend from the platforms to a new subterranean station and shopping precinct (+ slideshow). More
Spanish architecture studio BCQ has revealed its plans to enhance a Barcelona bridge, adding pollution-dissolving concrete, planted walls and paving that glows in the dark. More
Opinion: Dutch architecture firm OMA was among 74 entrants for a competition to design a new footbridge across London's River Thames – but its entry was more about making a statement than trying to win, explains practice partner Reinier de Graaf. More
News: an international design competition has been launched to create a "state-of-the-art facility for young people" inside Preston Bus Station, an iconic Brutalist building in Lancashire, England. More
News: a seven-mile-long skating rink proposed for the Canadian city of Edmonton could allow commuters to ice skate or toboggan to work and school during winter months (+ movie). More
Waterfalls, rainbow-coloured latticework and bright red cycle lanes feature among proposals for a new bridge across London's River Thames to rival Thomas Heatherwick's Garden Bridge (+ slideshow). More
News: Bjarke Ingel's firm has unveiled plans for a recycling facility in Copenhagen, encased within a manmade hill that could double as a running track, picnic area or even a snowboarding slope (+ slideshow). More
Photo essay: British photographer Alastair Philip Wiper is documenting the construction of a new metro line in the Danish capital – one of the largest infrastructure projects in the city's history. More
News: architect Zaha Hadid is working with airport specialist ADPI on plans for a major new terminal in Daxing, Beijing, that will accommodate 45 million passengers per year. More
News: architecture firm Gensler wants to repurpose London's abandoned tube tunnels to create a subterranean network of pathways that generate electricity as people walk and cycle through them. More
These three Rotterdam bus shelters were designed by Dutch studio Maxwan with concave and convex "razor-thin" rooftops reminiscent of billowing fabric (+ slideshow). More
News: London mayor Boris Johnson has approved plans to create Europe's longest segregated cycle lane through the city centre. More
White vertical fins clad the glazed exterior of this Salt Lake City courthouse by Thomas Phifer and Partners, shading the interior from direct sunlight without restricting the views from inside (+ slideshow). More
Trees sprout out of the rainbow-coloured cubes that make up the facade of this bank in northern Tokyo – the fourth building that architect Emmanuelle Moureaux has designed for Sugamo Shinkin (+ slideshow). More
News: the competition-winning design by Herzog & de Meuron and Hassell to revamp Melbourne's iconic Flinders Street Station is unlikely to go ahead, according to the state government. More
A bamboo framework filled with plants surrounds the brick core of this sanitation facility designed by H&P Architects for a school in rural Vietnam (+ slideshow). More
News: not content with progress on Thomas Heatherwick's controversial Garden Bridge, London is planning a second new pedestrian bridge near the Battersea Power Station development. More
Lorcan O'Herlihy Architects has redesigned Santa Monica's bus shelters by developing a modular kit of parts that can be used to build an assortment of round blue canopies, supported on slender poles (+ slideshow). More