Website explaining exemption of LPG-powered vehicles from congestion charging in London.

Information about the scheme from Transport for London.

Information about congestion charging - payment, exemption, maps, signs and discussion board.

Information and protest about the new transport scheme introduced by Ken Livingtone, features petition, news, debate forum and links.

Transport for London Street Management operates 550km of Londons' main roads, improving conditions for pedestrians, cyclists, buses and people with a disability.