'Green' cars using alternative fuels are exempt from the congestion charge and residents within the zone are offered discounts.
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In February 2008 TfL introduced the new low emission zone for lorries... -
Cameras take traffic images which are sent to a central processor, where... -
The congestion charging scheme has reduced traffic in central London by 20%. -
The scheme has raised around £150m a year, which is used on public transport... -
'Green' cars using alternative fuels are exempt from the congestion charge... -
The western extension of the congestion zone has doubled the area covered. -
Siemens and PIPS technology cameras in use. -
ANPR cameras can operate in low light using IR technology and provide images...
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