The 2012 BicycleFriendly States ranking was prepared by the League of American Bicyclists, and released in honor of National Bike Month, which occurs each May.
Traffic congestion continues to worsen despite 33 miles of light rail, extensive bus services, Portland's pedestrian-friendly downtown and a strong bicycle lobby.
Cities around the world have been encouraging residents to adopt a more environmentally friendly, less expensive method of commuter travel: the bicycle.