Green camera

Spacewolf

I don't suppose anyone could enlighten me as to what purpose this camera serves?

ontheroad1970

Traffic monitoring I suspect - to measure the amount of traffic.  

Spacewolf

ontheroad1970 said:

Traffic monitoring I suspect - to measure the amount of traffic.  

Ahh good to know. Haven't seen many around. Thank you! 

Spacewolf

So am i right in saying that this type of camera can't fine you? 

born_again

Spacewolf said:

So am i right in saying that this type of camera can't fine you? 

They monitor the level of traffic. They do not have cameras installed.

Car_54

born_again said:

Spacewolf said:

So am i right in saying that this type of camera can't fine you? 

They monitor the level of traffic. They do not have cameras installed.

Are you sure? How do they work then?

facade

If you believe the publicity, they are ANPR cameras, they don't store/transmit any images of vehicles, and Highways England don't store a timestamped location for the number plate either.

HE would have us believe that they simply log the 'plates as they pass each camera, and use that to calculate journey times. average speeds etc, and after they are done, the 'plate data is all forgotten.

You don't need to wear a tin-foil hat to find that a bit difficult to believe

Spacewolf

facade said:

If you believe the publicity, they are ANPR cameras, they don't store/transmit any images of vehicles, and Highways England don't store a timestamped location for the number plate either.

HE would have us believe that they simply log the 'plates as they pass each camera, and use that to calculate journey times. average speeds etc, and after they are done, the 'plate data is all forgotten.

You don't need to wear a tin-foil hat to find that a bit difficult to believe

Sorry I don't quite get what you mean 

facade

Spacewolf said:

facade said:

If you believe the publicity, they are ANPR cameras, they don't store/transmit any images of vehicles, and Highways England don't store a timestamped location for the number plate either.

HE would have us believe that they simply log the 'plates as they pass each camera, and use that to calculate journey times. average speeds etc, and after they are done, the 'plate data is all forgotten.

You don't need to wear a tin-foil hat to find that a bit difficult to believe

Sorry I don't quite get what you mean 

Without the cynicism

As a car passes the camera, the image is processed to reveal the number plate. Only the number plate, location of the camera and time are set to HQ.

When the same car passes another camera, the number plate, time and location are sent to HQ, and used to work out journey time and average speed between the cameras, which is then fed to people like google maps to use for live traffic updates.

Obviously they do it for every car that passes, as a single car might turn off, stop at a shop or get to its destination between cameras.

Despite the very low cost of storing the data, and how incredibly useful it would be (e.g. to Law Enforcement) to keep it, they claim that individual data is not kept, only the resulting averages.

Herzlos

If you're only monitoring traffic, then storing a number plate at 2 points with a time stamp is trivial. You'd need an image as well to use it for speeding fines, and recording images causes more of a problem due to the data size. A single pair of images on their own may not be much to transmit or store, but if there are thousands of cars passing one of these a day then it starts to become more of a nuisance to handle the data.

It's not impossible, but it'd be much easier to just transmit and store the journey information.

facade

Cameras like Siemens Safezone, SPECS & VECTOR must transmit the timestamped photo, as they are used for speed enforcement and the photos would be secondary evidence.