Traffic Light Camera???

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Big Boy
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Traffic Light Camera???

Post by Big Boy » Thu Dec 28, 2017 10:38 am

I've just been watching some guy setting up an unusual camera at the Tessebahn lights. It was not your everyday 'tourist snap' camera. He seemed to be waiting for the lights to turn red, and was then snapping those driving through red, and being Thailand he was quite busy.

Looks as though Santa has bought the BIB a new revenue collection device for Christmas.

Just thought I'd let people know he was about.
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Re: Traffic Light Camera???

Post by VincentD » Thu Dec 28, 2017 10:57 am

These types of camera typically have a sensor coil imbedded in the road, about two to three inches deep. If you look carefully you can see where they would have gouged a trench and then backfilled over it, about the size of a car.
It only triggers the camera if you run a red light.
So if you don't run a red, you won't get your picture taken..
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Re: Traffic Light Camera???

Post by Big Boy » Thu Dec 28, 2017 11:08 am

This is Thailand - that sounds like sophistication. This was being operated by a mark 1 eyeball, and an index finger.
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Re: Traffic Light Camera???

Post by VincentD » Thu Dec 28, 2017 11:16 am

Probably just setting up focus and camera angle.. The BIB don't like to be out in the hot sun or any other inclement weather, those airconditioned booths they have on the corner of the traffic lights are probably about as close as they want to be to the action.
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Re: Traffic Light Camera???

Post by mwbrown » Thu Dec 28, 2017 10:41 pm

I saw him too! He had the camera on a monopod/tripod and since it was drizzling he had a white cloth over it. I thought it was a tourist.

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Re: Traffic Light Camera???

Post by Big Boy » Fri Dec 29, 2017 7:03 am

If it was a tourist, it was a very sophisticated camera for taking photos of traffic.
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Re: Traffic Light Camera???

Post by Nereus » Fri Dec 29, 2017 9:41 am

VincentD wrote:
Thu Dec 28, 2017 10:57 am
These types of camera typically have a sensor coil imbedded in the road, about two to three inches deep. If you look carefully you can see where they would have gouged a trench and then backfilled over it, about the size of a car.
It only triggers the camera if you run a red light.
So if you don't run a red, you won't get your picture taken..
Hmm, not sure you have that right, Vincent. Automated traffic lights do have a sensing coil buried in the road to operate the lights, but I have yet to see one in Thailand. The coil is buried in the road, and if installed after the road was built, a small "slot" is cut using a machine like a friction cut off wheel used to cut metal, and then sealed over.

The traffic lights in Thailand are either controlled by a timer, or operated manually. This stupid method is a big contributor to traffic jams in Bangkok, where Somchai decides to have him a "convoy"!

Either way, a camera can be simply synchronised with each red light cycle and usually includes a motion sensor if just a snap shot is required. Multinova type speed cameras use a similar method, and I have seen these in Thailand. When triggered they take 5 or 6 shots in rapid succession, and remain static until triggered by what ever speed set point is set.
(I believe that you have a naughty device that can detect these things?)

If this camera is indeed a "red light" camera it is just another example of the twisted logic, where they mount the thing right outside the police station! :cheers:
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Re: Traffic Light Camera???

Post by Big Boy » Fri Dec 29, 2017 9:56 am

I think you are right when you say, "take 5 or 6 shots in rapid succession." However, I think that's where the sophistication ended i.e. it was triggered manually.

The main victims yesterday seemed to be the ones taking the free left turn when the lights were red. This is one of the areas where it is marked no free left turn exists. Every time somebody approached the lights with left indicator flashing, the guy moved to his camera. Yes, he was active snapping the mandatory 5 or 6 vehicles not stopping at red, but outside of that, it was definitely the left turners. I'd reckon the camera will pay for itself in a week on left turners alone.
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Re: Traffic Light Camera???

Post by Nereus » Fri Dec 29, 2017 10:11 am

I'd reckon the camera will pay for itself in a week on left turners alone.
Maybe, but they have to collect the fines first! Cannot find it just now, but read somewhere how many fines are not paid. It seems the only way that they can enforce them is to withhold renewing the registration / tax next time it is due.

But again, it is typical logic to enforce the left turn rule, when there are thousands of intersections where it is posted a left turn is not only legal, but is compulsory!
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