Top transportation officials from across the US, including Federal Highway Administrator Victor Mendez, have headlined the launch of a new initiative to bring protected bikeways to six US cities at a national kickoff event in Chicago. The Green Lane Project (www.greenlaneproject.org), created by the national bicycling non-profit organisation Bikes Belong Foundation (www.bikesbelong.org), is working with Austin, Chicago, Memphis, Portland, Oregon, San Francisco and Washington, DC, to support each city's deve