Photos: The tech behind the Congestion Charge
Nowhere to hide from these cameras...


1 of 5 Steve Ranger/ZDNET
Nowhere to hide from these cameras...
The Congestion Charge covers an area of eight square kilometres of the City of London and the West End, five days per week.Photo: Steve Ranger
2 of 5 Steve Ranger/ZDNET
Drivers are warned by road-side signs that they are entering the zone, as well as by markings on the road.
Photo: Steve Ranger
3 of 5 Steve Ranger/ZDNET
Once they have entered the zone, vehicles will be picked up by the scheme's cameras, which will relay monochrome and colour images back to the imaging centre.
Photo: Steve Ranger
4 of 5 Steve Ranger/ZDNET
Colin Cross, Capita's congestion charging scheme business director, in the datacentre.
"Customers are aware that if they drive into the zone they have to pay because they aren't going to get away with it."
Photo: Steve Ranger
5 of 5 Steve Ranger/ZDNET
In the front of the picture is the permanent evidence store - optical disks where records are kept.
Photo: Steve Ranger
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