Traffic congestion continues to worsen despite 33 miles of light rail, extensive bus services, Portland's pedestrian-friendly downtown and a strong bicycle lobby.

CNN: Polluted rivers stain Portland's image

Well, it's so friendly and everything is to hand - the train, the bus, the school, the library.

BBC: Rhiwbina garden village in Cardiff celebrates centenary

The spokesman added that festival-goers were always advised to travel to Balado by shuttle bus because it was more environmentally friendly.

BBC: Mud caused severe problems at T in the Park